AMS Sectional Meeting Full Program
Current as of Tuesday, January 7, 2020 09:25:35
Fall Central Sectional Meeting
 University of WisconsinMadison, Madison, WI
 September 1415, 2019 (Saturday  Sunday)
 Meeting #1150
Georgia Benkart, AMS benkart@math.wisc.edu
Saturday September 14, 2019

Saturday September 14, 2019, 7:30 a.m.4:00 p.m.
Exhibit and Book Sale
Room 140, Van Hise Hall 
Saturday September 14, 2019, 7:30 a.m.4:00 p.m.
Meeting Registration
Lobby, Van Hise Hall 
Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Algebraic and Geometric Combinatorics, I
Room 486, Van Hise Hall
Organizers:
Benjamin Braun, University of Kentucky
Marie Meyer, Lewis University
McCabe Olsen, Ohio State University olsen.149@osu.edu

8:30 a.m.
Adjacency Polytopes and Solving the Kuramoto Equations for Cycles.
Robert Davis*, Colgate University
Tianran Chen, Auburn University at Montgomery
(115005144) 
9:00 a.m.
The Equivariant Ehrhart Theory of the Permutahedron.
Federico Ardila, San Francisco State University
Mariel Supina, UC Berkeley
Andres R. Vindas Melendez*, University of Kentucky
(115005274) 
9:30 a.m.
Flow polytopes with rational Catalan volume.
Martha Yip*, University of Kentucky
(115005452) 
10:00 a.m.
Type cones of combinatorial cubes.
Federico Castillo*, University of Kansas
(115005568) 
10:30 a.m.
Farey Permutations.
Sarah BocktingConrad, DePaul University
Yevgenia Kashina, DePaul University
Kyle Petersen*, DePaul University
Bridget Tenner, DePaul University
(115005179) 
11:00 a.m.
Promotion, rowmotion, and flagged tableaux.
Jessica Striker*, North Dakota State University
(115005622)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Applications of Algebra and Geometry, I
Room 483, Van Hise Hall
Organizers:
Shamgar Gurevich, University of WisconsinMadison
Jose Israel Rodriguez, University of WisconsinMadison jose@math.wisc.edu

8:30 a.m.
The degree of the Stiefel/Parseval manifold.
Taylor Brysiewicz*, Texas A&M University
Fulvio Gesmundo, University of Copenhagen
(11501479) 
9:00 a.m.
Can one hear the shape of a room?
Mireille Boutin*, Purdue University
(115051119) 
9:30 a.m.
Searching for small minimal problems for multiview 3D reconstruction.
Timothy Duff, Georgia Tech
Kathlen Kohn, University of Oslo
Anton Leykin*, Georgia Tech
Tomas Pajdla, CTU
(115014435) 
10:00 a.m.
Geometric structure in dependence models and applications.
Elisa Perrone*, University of Massachusetts Lowell
(115052127) 
10:30 a.m.
Identifiability in Phylogenetics and Algebraic Matroids.
Benjamin K Hollering*, North Carolina State University
Seth Sullivant, North Carolina State University
(115014543) 
11:00 a.m.
Algebraic condition for absolute delay stability in chemical systems.
Gheorghe Craciun, Departments of Biomolecular Chemistry and Mathematics, University of WisconsinMadison
Maya Mincheva, Department of Mathematical Sciences, Northern Illinois University
Casian Pantea, Department of Mathematics, West Virginia University
Polly Y. Yu*, Department of Mathematics, University of WisconsinMadison
(115092527)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Arithmetic of Shimura Varieties, I
Room 475, Van Hise Hall
Organizers:
Chao Li, Columbia University chaoli@math.columbia.edu
Solly Parenti, University of WisconsinMadison
Tonghai Yang, University of WisconsinMadison

8:30 a.m.
Generating series for special cycles for orthogonal Shimura varieties over totally real fields.
Stephen Kudla*, University of Toronto
(115014316) 
9:30 a.m.
Modularity of generating series on integral models of orthogonal Shimura varieties.
Benjamin Howard*, Boston College
Keerthi Madapusi Pera, Boston College
(11501144) 
10:30 a.m.
Special cycles on the unitary Shimura variety with minuscule parahoric level structure.
Sungyoon Cho*, The University of Arizona
(115011137) 
11:00 a.m.
Supersingular Loci and the GL(4) RapoportZink Space.
Maria Fox*, University of Oregon
(115011292)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Association Schemes and Related Topics  in Celebration of J.D.H. Smith's 70th Birthday, I
Room 494, Van Hise Hall
Organizers:
Kenneth W. Johnson, Penn State University Abington kwj1@psu.edu
Sung Y. Song, Iowa State University sysong@iastate.edu

8:30 a.m.
Tight relative $t$designs on two shells in hypercubes, and Hahn and Hermite polynomials.
Eiichi Bannai, Three Gorges Math Research Center
Etsuko Bannai, Three Gorges Math Research Center
Hajime Tanaka*, Research Center for Pure and Applied Mathematics, Graduate School of Information Sciences, Tohoku University
Yan Zhu, Department of Mathematics, Shanghai University
(115005346) 
9:00 a.m.
Equiangular tight frames from nonabelian groups.
Joseph W Iverson, Iowa State University
John Jasper*, South Dakota State University
Dustin G Mixon, Ohio State University
(115042650) 
9:30 a.m.
Packing lines with roux and association schemes.
Dustin G. Mixon*, The Ohio State University
(115005630) 
10:00 a.m.
Doubly transitive lines and association schemes.
Joseph W. Iverson*, Iowa State University
Dustin G. Mixon, The Ohio State University
(115052465) 
10:30 a.m.
Fusion relations in some groupcase commutative association schemes and their character tables.
Sung Y Song*, Iowa State University
(115005486) 
11:00 a.m.
Fusion schemes coming from association schemes on finite symplectic geometry.
Robert Lee Lazar*, Rockville, MD
SungYell Song, Iowa State University
(115005640)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Automorphic Forms and LFunctions, I
Room 482, Van Hise Hall
Organizers:
Simon Marshall, University of WisconsinMadison marshall@math.wisc.edu
Ruixiang Zhang, University of WisconsinMadison

8:30 a.m.
Some remarks on BravermanKazhdan program.
Freydoon Shahidi*, Department of Mathematics, Purdue University
William Sokurski, Department of Mathematics, Purdue University
(11501183) 
9:30 a.m.
The residue method for period integrals.
Aaron Pollack, Department of Mathematics, Duke University
Chen Wan*, Department of Mathematics, Massachusetts Institute of Technology
Michal Zydor, Department of Mathematics, University of Michigan
(11501167) 
10:30 a.m.
A relative trace formula approach to the global GrossPrasad conjecture for orthogonal groups.
Rahul Marathe Krishna*, Brandeis University
(115011295) 
11:00 a.m.
The Stable Transfer Factor for the Symmetric Square Lifting from $GL_2$ to $GL_3$.
Daniel L Johnstone*, University of Minnesota
(115011464)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Classical and Geophysical Fluid Dynamics: Modeling, Reduction and Simulation, I
Room 224, Ingraham Hall
Organizers:
Nan Chen, University of WisconsinMadison chennan@math.wisc.edu
Honghu Liu, Virginia Tech University

8:30 a.m.
Discussion 
9:00 a.m.
Fitness of the ensemble approach to observation impact assessment for ensemblevar data assimilation system.
Kayo Ide*, University of Maryland
(115086567) 
9:30 a.m.
Stochastic superparameterization through local data generation.
Yoonsang Lee*, Dartmouth College
(11506584) 
10:00 a.m.
Anomalous waves induced by abrupt changes in topography.
Nick Moore*, Florida State University
(1150768) 
10:30 a.m.
Stochastic and multiscale modeling for improving weather and climate models.
Aneesh Subramanian*, University of Colorado Boulder
(115060214) 
11:00 a.m.
Conditional Instability of the Second Kind: A Dead End or An Old and New Path.
Zhaohua Wu*, Florida State University
Yan Liu, Nanjing University
ZheMin Tan, Nanjing University
(115086428)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Combinatorial Algebraic Geometry, I
Room 479, Van Hise Hall
Organizers:
Juliette Bruce, University of WisconsinMadison juliette.bruce@math.wisc.edu
Daniel Erman, University of WisconsinMadison
Chris Eur, University of California Berkeley
Lily Silverstein, University of California Davis

8:30 a.m.
Virtual resolutions on products of projective spaces.
Christine Berkesch*, University of Minnesota
Daniel Erman, University of Wisconsin
Gregory G. Smith, Queen's University
(115014487) 
9:00 a.m.
Local Cohomology of Thickenings.
Jenny Kenkel*, University of Kentucky
(115014669) 
9:30 a.m.
Saturated Fitting Ideals in the Cox Ring.
Michael C. Loper*, University of Minnesota
(115013526) 
10:00 a.m.
Measuring the nonGorenstein locus of Hibi rings and normal affine semigroup rings.
Jürgen Herzog, University of DuisburgEssen
Fatemeh Mohammadi, University of Bristol
Janet Page*, University of Michigan
(115013585) 
10:30 a.m.
Gröbner bases and the CohenMacaulay property of Li's double determinantal varieties.
Nathan Fieldsteel, University of Kentucky
Patricia Klein*, University of Minnesota
(115014495) 
11:00 a.m.
Smooth Hilbert Schemes.
Roy Skjelnes, The Royal Institute of Technology (KTH)
Gregory G. Smith*, Queen's University
(11501489)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Commutative Algebra: in Celebration of the 150th Birthday of Roger and Sylvia Wiegand, I
Room 114, Van Hise Hall
Organizers:
Nicholas Baeth, Franklin & Marshall College
Graham Leuschke, Syracuse University gjleusch@syr.edu

8:30 a.m.
Divisor Sequences in Krull Monoids.
Courtney R Gibbons*, Hamilton College
Nicholas Baeth, Franklin and Marshall College
Janet Striuli, Fairfield University
(115013154) 
9:00 a.m.
5generated perfect ideals of grade 3.
Lars Winther Christensen*, Texas Tech University
Oana Veliche, Northeastern University
Jerzy Weyman, University of Connecticut
(115013270) 
9:30 a.m.
On Arf Rings.
Ela Celikbas*, West Virginia University
(115013311) 
10:00 a.m.
Reducibility of parameter ideals in low powers of the maximal ideal.
Katharine Shultis*, Gonzaga University
Peder Thompson, NTNU
(11501370) 
10:30 a.m.
The Absence of $G(r)$ Rings for Trivariate Artinian Monomial Ideals.
Jared L Painter*, University of North Alabama
(115013386) 
11:00 a.m.
Boundedness results in homological commutative algebra.
Daniel Erman*, University of WisconsinMadison
Steven V Sam, University of California, San Diego
Andrew Snowden, University of Michigan
(115013408)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:10 a.m.
Special Session on Computability Theory in Honor of Steffen Lempp's 60th Birthday, I
Room 594, Van Hise Hall
Organizers:
Joseph S. Miller, University of WisconsinMadison
Noah D. Schweber, University of WisconsinMadison
Mariya I. Soskova, University of WisconsinMadison msoskova@math.wisc.edu

8:30 a.m.
Optimal bounds for singlesource Kolmogorov extractors.
Laurent Bienvenu, LaBRI, Bordeaux
Barbara F. Csima*, University of Waterloo
Matthew HarrisonTrainor, Victoria University of Wellington
(115003489) 
9:00 a.m.
Firstorder parts of Weihrauch problems.
Damir D Dzhafarov*, University of Connecticut
(115003400) 
9:30 a.m.
More universality in twodimensional shifts of finite type.
Linda Brown Westrick*, Penn State University
(115003505) 
10:00 a.m.
Thin sets and the Preservation of Hyperimmunities.
Peter A Cholak*, Notre Dame
(115003289) 
10:30 a.m.
Extension of Embeddings in the Enumeration Degrees.
Theodore A. Slaman*, University of California Berkeley
Mariya Soskova, University of WisconsinMadison
Steffen Lempp, University of WisconsinMadison
(115003424)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Extremal Graph Theory, I
Room 491, Van Hise Hall
Organizers:
Józef Balogh, University of Illinois jobal@math.uiuc.edu
Bernard Lidický, Iowa State University

8:30 a.m.
On a hypergraph Turán problem.
Tao Jiang*, Miami University, Ohio
(115005558) 
9:00 a.m.
Turán numbers for a $4$uniform hypergraph.
Karen Gunderson*, University of Manitoba
(115005377) 
9:30 a.m.
Up and Down: extremal graph theory and upanddown shadows.
Lauren Keough, Grand Valley State University
Jamie Radcliffe*, University of NebraskaLincoln
(115005189) 
10:00 a.m.
On the weight of Berge$F$free hypergraphs.
English, Ryerson University
Gerbner, Alfréd Rényi Institute of Mathematics
Methuku, École Polytechnique Fédérale de Lausanne
Cory Palmer*, University of Montana
(115005512) 
10:30 a.m.
Transitive tournament tilings in oriented graphs with large minimum total degree.
Louis DeBiasio, Miami University
Allan Lo, University of Birmingham
Theodore Molla*, University of South Florida
Andrew Treglown, University of Birmingham
(115005381) 
11:00 a.m.
Large triangle packings and Tuza's conjecture in random graphs.
Patrick Bennett*, Western Michigan University
Andrzej Dudek, Western Michigan University
Shira Zerbib, University of Michigan
(115005392)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Floer Homology in Dimensions 3 and 4, I
Room 395, Van Hise Hall
Organizers:
Jianfeng Lin, UC San Diego
Christopher Scaduto, University of Miami cscaduto@scgp.stonybrook.edu

8:30 a.m.
Triple linking and Heegaard Floer homology.
Allison H Moore*, UC Davis / Virginia Commonwealth University
Eugene Gorsky, UC Davis
Tye Lidman, NC State
Beibei Liu, UC Davis
(115057183) 
9:00 a.m.
Knot floer homology and relative adjunction inequalities.
Matthew Hedden*, Michigan State University
Katherine Raoux, Michigan State University
(115057501) 
9:30 a.m.
Knot Floer homology and ribbon concordances.
Ian Zemke*, Princeton University
(115057598) 
10:00 a.m.
Relationships between Khovanov and knot Floer homology.
Nathan Dowlin*, Columbia University
(115057679) 
11:00 a.m.
Braid invariants relating Khovanov homology and knot Floer homology.
Akram Alishahi*, University of Georgia
Nathan Dowlin, Columbia University
(115057659)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Fully Nonlinear Elliptic and Parabolic Partial Differential Equations, Local and Nonlocal, I
Room 378, Van Hise Hall
Organizers:
Fernando Charro, Wayne State University fcharro@wayne.edu
Stefania Patrizi, The University of Texas at Austin
Peiyong Wang, Wayne State University

8:30 a.m.
The obstacle problem for the fractional heat equation.
Agnid Banerjee, TIFR CAM
Donatella Danielli*, Purdue University
Nicola Garofalo, University of Padova
Arshak Petrosyan, Purdue University
(115035394) 
9:00 a.m.
A nonlocal onephase free boundary problem from obstacle to cavitation.
Yijing Wu*, University of Maryland, College Park
(115035103) 
9:30 a.m.
Regularity of the singular set in the fully nonlinear obstacle problem.
Ovidiu Savin, Columbia University
Hui Yu*, Columbia University
(115035115) 
10:00 a.m.
On the regularity and the geometry of one phase free boundary problem.
Betul OrcanEkmekci*, Rice University
(11503558) 
10:30 a.m.
Nodal sets of Robin and Neumann eigenfunctions.
Jiuyi Zhu*, Louisiana State University
(115035116) 
11:00 a.m.
The obstacle problem for a fractional MongeAmpère equation.
Pablo Raúl Stinga*, Iowa State University
(115035101)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Geometry and Topology in Arithmetic, I
Room 383, Van Hise Hall
Organizers:
Rachel Davis, University of WisconsinMadison rachel.davis@wisc.edu

8:30 a.m.
Choosing points on plane cubic curves: rigidity and flexibility.
Weiyan Chen*, University of Minnesota
(115057545) 
9:00 a.m.
An Enriched Count of $m$Planes Meeting Planes of Codimension $m$.
Thomas Brazelton*, University of Pennsylvania
(115014322) 
9:30 a.m.
Enriching Bézout's Theorem.
Stephen McKean*, Georgia Institute of Technology
(115014111) 
10:00 a.m.
Points and lines on cubic surfaces.
Ronno Das*, University of Chicago
(115014206) 
10:30 a.m.
Arithmetic conjectures about zerocycles.
Evangelia Gazaki*, University of Virginia
(115014167) 
11:00 a.m.
A topological proof of some cases of Leopoldt's conjecture.
Andrew Salch*, Wayne State University
(115055533)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:10 a.m.
Special Session on Geometry and Topology of Singularities, I
Room 394, Van Hise Hall
Organizers:
Laurentiu Maxim, University of WisconsinMadison maxim@math.wisc.edu

8:30 a.m.
The Perverse Structure of the Vanishing Cycles for Hypersurfaces with Curve Singularities.
David B Massey*, Northeastern University
(11503262) 
9:30 a.m.
The Weight Filtration for Parameterized Surfaces.
Brian Anderson Hepler*, University of WisconsinMadison
(115032434) 
10:30 a.m.
Counting real rational curves on K3 surfaces.
Rares Rasdeaconu*, Department of Mathematics, Vanderbilt University
Viatcheslav Kharlamov, IRMA, University of Strasbourg, France
(115014347)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Hall Algebras, Cluster Algebras and Representation Theory, I
Room 487, Van Hise Hall
Organizers:
Xueqing Chen, UWWhitewater chenx@uww.edu
Yiqiang Li, SUNY at Buffalo

8:30 a.m.
Green Formula and Restriction Functor for Hall Algebras and Quantum Groups.
Jie Xiao*, Department of Mathematics, Tsinghua University, Beijing 100084, P. R. China
Fan Xu, Department of Mathematics, Tsinghua University, Beijing 100084, P. R. China
Minghui Zhao, College of Science, Beijing Forestry University, Beijing 100083, P. R. China
(115016351) 
9:00 a.m.
Motivic characteristic classes in cohomological Hall algebras.
Richard Rimanyi*, UNC Chapel Hill
(115014541) 
9:30 a.m.
Hall algebras as cohomology algebras.
Julie Bergner*, University of Virginia
(11505563) 
10:00 a.m.
Introduction to Double BottSamelson Cells.
Linhui Shen, Michigan State University
Daping Weng*, Michigan State University
(115014458) 
10:30 a.m.
Double BottSamelson cells and cluster algebras.
Linhui Shen*, Michigan State University
Daping Weng, Michigan State University
(115014343) 
11:00 a.m.
Hall algebras of Surfaces.
Benjamin of Cooper*, University of Iowa
(115017469)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:10 a.m.
Special Session on Hodge Theory in Honor of Donu Arapura's 60th Birthday, I
Room 399, Van Hise Hall
Organizers:
Ajneet Dhillon, University of Western Ontario
Kenji Matsuki, Purdue University
Deepam Patel, Purdue University
Botong Wang, University of WisconsinMadison wang@math.wisc.edu

8:30 a.m.
Discussion 
9:30 a.m.
Projective threefolds admitting nowhere vanishing holomorphic 1forms.
Feng Hao*, Mathematisches Institut der Universität München
Stefan Schreieder, Mathematisches Institut der Universität München
(11501464) 
10:30 a.m.
Hodge theory of degenerations.
Matt Kerr*, Washington University in St. Louis
(11501450)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:10 a.m.
Special Session on Homological and Characteristic p > 0 Methods in Commutative Algebra, I
Room 155, Van Hise Hall
Organizers:
Michael Brown, University of WisconsinMadison mkbrown5@wisc.edu
Eric Canton, University of Michigan

8:30 a.m.
The local cohomology of a parameter ideal with respect to an arbitrary ideal.
Monica Ann Lewis*, University of Michigan
(115013100) 
9:30 a.m.
Frobenius and Homological Dimensions of Complexes.
Taran Hunter Funk*, University of Nebraska  Lincoln
Thomas Marley, University of Nebraska  Lincoln
(11501345) 
10:30 a.m.
Base Change Along The Frobenius Endomorphism And The Gorenstein Property.
Pinches Dirnfeld*, University of Utah
(115013365)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:10 a.m.
Special Session on Homotopy Theory, I
Room 387, Van Hise Hall
Organizers:
Gabe AngeliniKnoll, Michigan State University
Teena Gerhardt, Michigan State University teena@math.msu.edu
Bertrand Guillou, University of Kentucky

8:30 a.m.
Ktheory of endomorphisms, TR, and periodic points.
Cary Malkiewich*, Binghamton University
(115055578) 
9:30 a.m.
Equivariant factorization homology of Thom spectra.
Asaf Horev, Issac Newton Institute for Mathematical Sciences
Inbar Klang, EPFL
Foling Zou*, University of Chicago
(115055413) 
10:00 a.m.
Coalgebras and comodules in stable homotopy theory.
Maximilien Péroux*, University of Illinois at Chicago (UIC)
(115055236) 
10:30 a.m.
$\mathbb{R}$motivic stable stems.
Eva Belmont*, Northwestern University
Daniel C. Isaksen, Wayne State University
(115055629)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Lie Representation Theory, I
Room 490, Van Hise Hall
Organizers:
Mark Colarusso, University of South Alabama
Michael Lau, Université Laval Michael.Lau@mat.ulaval.ca
Matt Ondrus, Weber State University

8:30 a.m.
$D_6^{(1)}$ Geometric Crystal and its ultradiscretization.
Kailash C. Misra*, North Carolina State University
(11501777) 
9:00 a.m.
An approach to root multiplicities for symmetric KacMoody algebras through quiver varieties.
Peter Tingley*, Loyola University Chicago
(115017250) 
9:30 a.m.
Cherednik algebras and flag orders.
Jonas T Hartwig*, Iowa State University
(115016644) 
10:30 a.m.
TALK CANCELLED: Transition matrices between Young's natural and seminormal representations.
Samuel Armon, Macalester College
Tom Halverson*, Macalester College
(11502081) 
11:00 a.m.
Another look at the sums of squares of LittlewoodRichardson coefficients.
Adam Buck, University of Wisconsin  Milwaukee
Jeb F. Willenbring*, University of Wisconsin  Milwaukee
(115005247)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:10 a.m.
Special Session on Model Theory, I
Room 587, Van Hise Hall
Organizers:
Uri Andrews, University of WisconsinMadison andrews@math.wisc.edu
Omer Mermelstein, University of WisconsinMadison

8:30 a.m.
Model theory and query learning.
James Freitag*, University of Illinois at Chicago
Hunter Chase, University of Illinois at Chicago
(115003258) 
9:30 a.m.
A model complete theory of pre$H$fields with small derivation.
Nigel PynnCoates*, University of Illinois at UrbanaChampaign
(115003281) 
10:00 a.m.
Generically stable measures in Independent Theories.
Kyle Gannon*, University of Notre Dame
(115003256) 
10:30 a.m.
"Extension of Embeddings in the Enumeration Degrees." This talk is a joint presentation of the Special Sessions on Computability Theory in Honor of Steffen Lempp's 60th Birthday and Model Theory. Please see the schedule for the Special Session on Computability Theory.

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:10 a.m.
Special Session on Nonlinear Dispersive Equations and Water Waves, I
Room 223, Ingraham Hall
Organizers:
Mihaela Ifrim, University of WisconsinMadison ifrim@wisc.edu
Daniel Tataru, University of California, Berkeley

8:30 a.m.
Low regularity solutions for gravity water waves.
Albert Ai*, University of California, Berkeley
(115035336) 
9:30 a.m.
Onset of the wave turbulence description for NLS.
Zaher Hani*, University of Michigan
(115035229) 
10:30 a.m.
Low regularity local wellposedness for quasilinear Schrodinger equations.
Jason Metcalfe*, University of North Carolian
(115035352)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Quasigroups and Loops  in honor of J.D.H. Smith's 70th birthday, I
Room 499, Van Hise Hall
Organizers:
J.D. Phillips, Northern Michigan University jophilli@nmu.edu
Petr Vojtechovsky, University of Denver

8:30 a.m.
Homotopy, semisymmetry, and Mendelsohn triple systems.
Jonathan D.H. Smith*, Iowa State University
(11502039) 
9:00 a.m.
Universal central extension of Steiner loops.
Izabella Stuhl*, Penn State
(115020588) 
9:30 a.m.
Varieties of loops satisfying Moufang's Theorem.
Petr Vojtěchovský*, University of Denver
(115020439) 
10:00 a.m.
Generating dyadic convex polytopes.
Anna B. Romanowska*, Warsaw University of Technology
Katarzyna Matczak, Warsaw University of Technology
Anna Mucka, Warsaw University of Technology
(11500876) 
10:30 a.m.
Conjugates of quantum quasigroups.
Bokhee Im, Chonnam National University
Alex W. Nowak*, Iowa State University
Jonathan D. H. Smith, Iowa State University
(115020594) 
11:00 a.m.
Asymptotic Irrelevance of Quasigroup Identities.
Jonathan D.H. Smith, Iowa State University
Stefanie G. Wang*, Smith College
(115020548)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Recent Developments in Harmonic Analysis, I
Room 375, Van Hise Hall
Organizers:
Theresa Anderson, Purdue University
Joris Roos, University of WisconsinMadison jroos@math.wisc.edu

8:30 a.m.
Atomic decomposition of Hardy spaces on product spaces of homogeneous type and applications.
Maria Cristina Pereyra*, University of New Mexico
Yonsheng Han, Auburn University
Ji Li, Macquarie University
Lesley A. Ward, University of South Australia
(11504287) 
9:00 a.m.
Bounds for a discrete variant of the bilinear spherical maximal operator.
Eyvindur A Palsson*, Virginia Tech
Theresa C Anderson, Purdue University
(115042493) 
9:30 a.m.
Beyond finitedimensional rectifiability.
Tushar Das*, University of Wisconsin La Crosse
(115028635) 
10:00 a.m.
A bilinear proof of decoupling for the cubic moment curve.
Shaoming Guo, University of Wisconsin, Madison
Zane Kun Li*, Indiana University, Bloomington
PoLam Yung, The Chinese University of Hong Kong
(115042318) 
10:30 a.m.
Weissler's conjecture on the Hamming cube.
Paata Ivanishvili*, University of California, Irvine
Fedor Nazarov, Kent State University
(115042483) 
11:00 a.m.
Embeddings and Carleson Conditions on BiTrees.
Irina Holmes*, Texas A&M University
Alexander Volberg, Michigan State University
Pavel Mozolyako, Michigan State University
George Psaromiligkos, Michigan State University
(115043584)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Recent Trends in the Mathematics of Data, I
Room 104, Van Hise Hall
Organizers:
Sebastien Roch, University of WisconsinMadison roch@math.wisc.edu
David Sivakoff, Ohio State University
Joseph Watkins, University of Arizona

8:30 a.m.
Markovian Stickbreaking Measures and Clumping Procedures.
William Lippitt*, University of Arizona
(115060570) 
9:00 a.m.
A Logbarrier NewtonCG Method for Bound Constrained Optimization with Complexity Guarantees.
Michael O'Neill*, University of Wisconsin, Madison
Stephen J Wright, University of Wisconsin, Madison
(115049547) 
9:30 a.m.
Trace reconstruction problems with applications to DNA data storage.
Miklos Z Racz*, Princeton University
(115060357) 
10:00 a.m.
Learning a TreeStructured Ising Model in Order to Make Predictions.
Mina Karzand*, University of Wisconsin, Madison
(115062504) 
10:30 a.m.
Nonconvex Geometry for Blind Deconvolution.
Yuqian Zhang*, Cornell University
(115000467) 
11:00 a.m.
Geometric methods for imagebased statistical analysis of brain tumors.
Sebastian Kurtek*, The Ohio State University
Abhijoy Saha, The Ohio State University
Karthik Bharath, University of Nottingham
Veera Baladandayuthapani, University of Michigan
Arvind Rao, University of Michigan
(115062201)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:10 a.m.
Special Session on Recent Work in the Philosophy of Mathematics, I
Room 578, Van Hise Hall
Organizers:
Thomas Drucker, University of WisconsinWhitewater druckert@uww.edu
Dan Sloughter, Furman University

8:30 a.m.
Three Main Themes in the Philosophy of Mathematics: Mathematical Objects, our Knowledge of them and the Reference of Mathematical Symbols.
Pieranna Garavaso*, University of Minnesota Morris
(115000276) 
9:30 a.m.
Why we are Platonists.
Bernd Buldt*, Purdue University Fort Wayne
(115000242) 
10:30 a.m.
Indispensability Arguments in Philosophy of Mathematics: their Scope and Limits.
Michael Liston*, University of WisconsinMilwaukee
(115003287)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Relations Between the History and Pedagogy of Mathematics, I
Room 574, Van Hise Hall
Organizers:
Emily T. Hamilton, University of Massachusetts, Amherst
Brit Shields, University of Pennsylvania bshields@seas.upenn.edu
Rebecca Vinsonhaler, University of Texas, Austin

8:30 a.m.
"In Which They Reveal to Us Only the Best of Their Thoughts": on teaching mathematics through primary historical sources.
Daniel E. Otero*, Xavier University
(115097290) 
9:00 a.m.
NEW TIME:"An entirely new phenomenon presents itself here ..." Teaching and learning number theory via primary historical sources.
Janet Heine Barnett*, Colorado State University  Pueblo
(115001342) 
9:30 a.m.
NEW TIME:Benefits, obstacles, and transgressions, oh my! Examining the potential of primary sources to promote transgressive actions.
Kathleen Michelle Clark*, Florida State University
(115097349) 
10:00 a.m.
A Course in the History of Mathematics Education.
Patricia Baggett*, New Mexico State University
(11500174) 
10:30 a.m.
Calculus in Historical Context.
Eugene Boman*, Penn State, Harrisburg campus
Robert Rogers, SUNY, Fredonia
(115001158) 
11:00 a.m.
The influence of historical remarks and creative assignments on students projects in Differential Equations.
Malgorzata Marciniak*, LaGuardia Community College of CUNY
(115001388)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Several Complex Variables, I
Room 379, Van Hise Hall
Organizers:
Hanlong Fang, University of WisconsinMadison
Xianghong Gong, University of WisconsinMadison gong@math.wisc.edu

8:30 a.m.
Projectively spherical points of real hypersurfaces in $\mathbb C\mathbb P^2$.
David E Barrett*, University of Michigan
Dusty Grundmeier, Harvard University
(115032360) 
9:00 a.m.
Subelliptic estimates from Gromov hyperbolicity.
Andrew Zimmer*, Louisiana State University
(115032210) 
9:30 a.m.
Sharp pointwise estimates for $\bar{\partial}$ on classical domains.
Xin Dong*, University of California, Irvine
SongYing Li, University of California, Irvine
John N. Treuer, University of California, Irvine
(115032657) 
10:00 a.m.
An effective algorithm for subelliptic multipliers in $\mathbb{C}^2$.
Martino Fassina*, University of Illinois at UrbanaChampaign
(115032517) 
10:30 a.m.
Hankel operators on forms and the $\overline{\partial}$Neumann problem.
Mehmet Celik, Texas A&M UniversityCommerce
Sonmez Sahutoglu*, University of Toledo
Emil Straube, Texas A&M University
(11503269) 
11:00 a.m.
Convex domains, Hankel operators, and maximal estimates.
Mehmet Çelik, Texas A&M UniversityCommerce
Sönmez Şahutoğlu, University of Toledo
Emil J. Straube*, Texas A&M University
(115032334)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Special Functions and Orthogonal Polynomials, I
Room 495, Van Hise Hall
Organizers:
Sarah Post, University of Hawai`i at Manoa
Paul Terwilliger, University of WisconsinMadison terwilli@math.wisc.edu

8:30 a.m.
Zeta functions for graphs and codes.
Iwan Duursma*, University of Illinois UrbanaChampaign
(115005446) 
9:00 a.m.
Quantum walks in association schemes.
Ada Chan*, Department of Mathematics and Statistics, York University
Gabriel Coutinho, Department of Computer Science, Universidade Federal de Minas Gerais
Christino Tamon, Department of Computer Science, Clarkson University
Luc Vinet, Centre de Recherches Mathématiques, Université de Montréal
Hanmeng Zhan, Centre de Recherches Mathématiques, Université de Montréal
(115005404) 
9:30 a.m.
State transfer via orthogonal polynomials.
Hanmeng Zhan*, Centre de Recherches Mathématiques, Université de Montréal
(115005471) 
10:00 a.m.
Crystal Structure on GelfandZeitlinZhelobenko Patterns.
O'Neill Kingston*, Iowa State University
Jonas Hartwig, Iowa State University
(115005508) 
10:30 a.m.
An insertion algorithm on multiset partitions with applications to diagram algebras.
Laura Colmenarejo, University of Massachussetts, Amherst
Rosa Orellana, Dartmouth College
Franco Saliola, UQAM
Anne Schilling*, University of California, Davis
Mike Zabrocki, York University
(11500557) 
11:00 a.m.
PeterWeyl bases, preferred deformations, and SchurWeyl duality.
Anthony Giaquinto, Loyola University Chicago
Peter Tingley*, Loyola University Chicago
(115017249)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:10 a.m.
Special Session on Supergeometry, Poisson Brackets, and Homotopy Structures, I
Room 386, Van Hise Hall
Organizers:
Ekaterina Shemyakova, University of Toledo ekaterina.shemyakova@utoledo.edu
Theodore Voronov, University of Manchester

8:30 a.m.
Dgmanifolds and homotopy Lie bialgebroids.
Denis Bashkirov, Institute of Mathematics of the Czech Academy of Sciences
Alexander A Voronov*, University of MinnesotaTwin Cities
(115058266) 
9:30 a.m.
A Flat Holomorphic Connection of the Super Mumford Isomorphism via NeveuSchwarz Action and the Super Sato Grassmannian.
Katherine A. Maxwell*, University of Minnesota Twin Cities
(115014414) 
10:00 a.m.
The supermoduli space of genus zero super Riemann surfaces.
Nadia Marie Ott*, University of Minnesota, Twin Cities
(115014604) 
10:30 a.m.
Atiyah class and Todd class of dg manifolds.
Ping Xu*, Penn State University
(115053393)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Topics in Graph Theory and Combinatorics, I
Room 575, Van Hise Hall
Organizers:
Songling Shan, Illinois State University sshan12@ilstu.edu
Papa Sissokho, Illinois State University

8:30 a.m.
Fattriangle linkage and kitelinked graphs.
Runrun Liu, Central China Normal University
Martin Rolek*, The College of William & Mary
Gexin Yu, The College of William & Mary
(115005314) 
9:00 a.m.
Polychromatic colorings of the integers mod n.
John L Goldwasser*, West Virginia University
(115005626) 
9:30 a.m.
On edge orbits and uniform hypergraph designs.
Saad ElZanati*, Illinois State University
(115005474) 
10:00 a.m.
New Graph Parameters from tilebased DNA selfassembly.
Jo EllisMonaghan*, Saint Michael's College
(115005241) 
10:30 a.m.
Gupta's Codensity Conjecture on edge cover index.
Yan Cao, Georgia State University
Guantao Chen, Georgia State University
Guoli Ding, Louisiana State University
Guangming Jing*, Augusta University
Wenan Zang, The University of Hong Kong
(115005310) 
11:00 a.m.
Sparsest 4critical digraphs.
Alexandr Kostochka*, University of Illinois at UrbanaChampaign
Michael Stiebitz, Technical University of Ilmenau, Ilmenau, Germany
(11500572)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:20 a.m.
Special Session on Uncertainty Quantification Strategies for Physics Applications, I
Room 391, Van Hise Hall
Organizers:
Qin Li, University of WisconsinMadison qinli@math.wisc.edu
Tulin Kaman, University of Arkansas

8:30 a.m.
A dataconsistent approach for statistical inverse problems.
Tan BuiThanh*, The University of Texas at Austin
Brad Marvin, The University of Texas at Austin
(115060646) 
9:00 a.m.
Asymptotic preserving scheme for nonlinear grey radiative transfer equation.
Li Wang*, University of Minnesota
(115065260) 
9:30 a.m.
Largescale Bayesian inversion accelerated by a parallel Fast Multipole Method for bathymetry estimation applications.
Jonghyun Harry Lee*, University of Hawaii at Manoa
Chao Chen, University of Texas at Austin
Eric Darve, Stanford University
Matthew Farthing, U.S. Army Engineer Research and Development Center
Hojat Ghorbanidehno, Stanford University
Tyler Hesser, U.S. Army Engineer Research and Development Center
Peter Kitanidis, Stanford University
Ruoxi Wang, Google Brain
(115060502) 
10:00 a.m.
PhysicsInformed Gaussian Process Regression with Multifidelity Framework.
Xiu Yang*, Lehigh University
(115041498) 
10:30 a.m.
Validity of Ensemble Kalman Inverse.
Qin Li*, University of WisconsinMadison
Zhiyan Ding, University of WisconsinMadison
(115065453) 
11:00 a.m.
Uncertainty quantification in nonlinear optimal control problems for diffeomorphic registration.
Andreas Mang*, University of Houston, Department of Mathematics
(115049301)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:10 a.m.
Special Session on Zero Forcing, Propagation, and Throttling, I
Room 583, Van Hise Hall
Organizers:
Josh Carlson, Williams College jc31@williams.edu
Nathan Warnberg, University of WisconsinLa Crosse nwarnberg@uwlax.edu

8:30 a.m.
Zero Forcing Sets in Hmatchable graphs and a few other infinite classes of graphs.
Andrew Schwartz*, Southeast Missouri State University
(115005559) 
9:00 a.m.
Skeletal Graph Pairs and Zero Forcing Numbers.
Houston Schuerger*, University of North Texas
Andrew Schwartz, Southeast Missouri State University
(115005296) 
9:30 a.m.
Maximum nullity and zero forcing of circulant graphs.
Lin Duong, Univ. of St. Thomas
Brenda K Kroschel*, Univ. of St. Thomas
Michael Riddell, McMaster Univ.
Kevin N. Vander Meulen, Redeemer Univ. College
Adam Van Tuyl, McMaster Univ.
(115005677) 
10:00 a.m.
Infectious Power Domination for Hypergraphs.
Beth Bjorkman*, Iowa State University
(115005389) 
10:30 a.m.
A conjecture on power domination for hypergraphs.
Michael Young*, Iowa State University
(115005667)

8:30 a.m.

Saturday September 14, 2019, 8:30 a.m.11:25 a.m.
Contributed Paper Session on AMS Contributed Paper Session on Applied Mathematics and Statistics
Room 355, Van Hise Hall

8:30 a.m.
Asymptotic Properties of Delay Differential Systems with Wideband Noise Perturbations.
Fuke Wu*, Huazhong University of Science and Technology
(115060138) 
8:45 a.m.
Stochastic Damping Hamiltonian Systems with StateDependent Switching.
Fubao Xi, Beijing Institute of Technology
Chao Zhu*, University of WisconsinMilwaukee
Fuke Wu, Huazhong University of Science and Technology
(115060433) 
9:00 a.m.
Financial Contagion with Births and Defaults.
Tomoyuki Ichiba, University of California in Santa Barbara
Michael Ludkovski, University of California in Santa Barbara
Andrey Sarantsev*, University of Nevada in Reno
(115060618) 
9:15 a.m.
A mathematical model for detection of small defects.
M T Mustafa*, Qatar University
(11500010) 
9:30 a.m.
Efficient Nonparametric EWMA Chart for Monitoring Process Variability.
Saddam Akber Abbasi*, Department of Mathematics and Statistics, Qatar University, Doha, Qatar
Muhammad Abid, Department of Statistics, Government College University, Faisalabad, Pakistan
(11506226) 
9:45 a.m.
DataDriven State Space Discovery of Chemical and Physical Systems.
Carlos M Ortiz Marrero*, Pacific Northwest National Laboratory
(115037126) 
10:00 a.m.
Reducing AI Bias using Truncated Statistics.
Constantinos Daskalakis*, MIT
(115068665) 
10:15 a.m.
Time Series Analysis for the Forecasting Economic Indicator Using Statistical and Computational Simulations.
Chanyeol Kim, Choice Research Group
Andrew Kyung*, Choice Research Group
(115091670) 
10:30 a.m.
Decision Making for TwoSensor System Modeled by Lévy Processes.
Michael J Roberts*, North Dakota State University
(115060522) 
10:45 a.m.
Drama Triangle Cycling of Julius Caesar Triumvirate by Newton Dynamics.
Dennis G Collins*, Winamac
(115091546) 
11:00 a.m.
Deep Learning and Mathematically Consistent Koopman Operators for Optimal Control.
William Steven Rosenthal*, Pacific Northwest National Laboratory
Craig Bakker, Pacific Northwest National Laboratory
Kathleen E Nowak, Pacific Northwest National Laboratory
Thiagarajan Ramachandran, Pacific Northwest National Laboratory
(115093624) 
11:15 a.m.
Palindromic Control and Mirror Symmetries in Finite Difference Discretizations of 1D Schrodinger Equations.
Katherine A. Kime*, Department of Mathematics and Statistics, University of Nebraska Kearney
(115093633)

8:30 a.m.

Saturday September 14, 2019, 9:00 a.m.11:20 a.m.
Special Session on Analysis and Probability on Metric Spaces and Fractals, I
Room 22, Ingraham Hall
Organizers:
Guy C. David, Ball State University gcdavid@bsu.edu
John Dever, Bowling Green State University

9:00 a.m.
Fractals and the dynamics of expanding Thurston maps.
Mario Bonk*, University of California, Los Angeles
(115030134) 
10:00 a.m.
The continuity of logarithmic capacity of nonuniformly uniformly perfect sets under Hausdorff convergence.
Sergei Kalmykov, Shanghai Jiao Tong University
Leonid V Kovalev*, Syracuse University
(115031171) 
10:30 a.m.
Thick Families of Geodesics and Differentiation.
Chris Gartland*, University of Illinois at UrbanaChampaign
(11504649) 
11:00 a.m.
Thurston Maps with four postcritical points.
Annina Iseli*, University of California, Los Angeles (UCLA)
(115037312)

9:00 a.m.

Saturday September 14, 2019, 9:00 a.m.11:20 a.m.
Special Session on Categorical GromovWitten Invariants and Mirror Symmetry, I
Room 390, Van Hise Hall
Organizers:
Andrei Caldararu, University of WisconsinMadison andreic@math.wisc.edu
Junwu Tu, University of MissouriColumbia and Shanghai Tech University

9:00 a.m.
Motivic count of Higgs bundles and bundles with connections.
Yan Soibelman*, Kansas State University
(115014572) 
10:00 a.m.
Homology of Hurwitz spaces via quantum shuffle algebras.
Jordan S. Ellenberg, University of WisconsinMadison
TriThang Tran, University of Melbourne
Craig Westerland*, University of Minnesota, Twin Cities
(115055551) 
11:00 a.m.
The cup product in global quotient orbifold Hochschild cohomology.
Shengyuan Huang*, University of WisconsinMadison
(115014466)

9:00 a.m.

Saturday September 14, 2019, 9:00 a.m.10:50 a.m.
Special Session on Connecting Network Structure and Behavior of Biological Interaction Systems, I
Room 19, Ingraham Hall
Organizers:
David Anderson, University of WisconsinMadison
Gheorghe Craciun, University of WisconsinMadison craciun@math.wisc.edu
Abhishek Deshpande, University of WisconsinMadison

9:00 a.m.
Parameter regions that give rise to 2[n/2]+1 positive steady states in the nsite phosphorylation system.
Alicia Dickenstein*, University of Buenos Aires
Magali Giaroli, Universidad de Buenos Aires
Rick Rischter, Universidade Federal de Itajuba
Mercedes Perez Millan, Universidad de Buenos Aires
(11509293) 
9:30 a.m.
Oscillations and bistability in a model of ERK regulation.
Nida Obatake, Texas A&M University
Anne Shiu*, Texas A&M University
Xiaoxian Tang, Beihang University
Angélica Torres, University of Copenhagen
(115092142) 
10:00 a.m.
Hypercycles: A reaction network perspective.
Abhishek Deshpande*, University if Wisconsin Madison
Gheorghe Craciun, University if Wisconsin Madison
(115092647) 
10:30 a.m.
Permanence and positive equilibria in hyperchains.
Badal Joshi*, California State University San Marcos
Gheorghe Craciun, University of WisconsinMadison
(115034534)

9:00 a.m.

Saturday September 14, 2019, 9:00 a.m.11:20 a.m.
Special Session on Stochastic Partial Differential Equations and Related Fields, I
Room 374, Van Hise Hall
Organizers:
Igor Cialenco, Illinois Institute of Technology
Yu Gu, Carnegie Mellon University
HyunJung Kim, Illinois Institute of Technology hkim129@iit.edu

9:00 a.m.
Stochastic heat equation with Stochastic Heat Equation with general nonlinear spatial rough noise.
Yaozhong Hu*, University of Alberta at Edmonton
(11506053) 
10:00 a.m.
Moments of the 2D stochastic heat equation at criticality.
LiCheng Tsai*, Rutgers University
(11506046) 
10:30 a.m.
BreuerMajor type averaging with applications.
David Nualart, University of Kansas, Lawrence, Kansas
Guangqu Zheng*, University of Kansas, Lawrence, Kansas
(115060197) 
11:00 a.m.
Regularity and strict positivity of densities for the stochastic heat equation on $R^d$.
Le Chen*, University of Nevada, Las Vegas
Jingyu Huang, School of Mathematics, University of Birmingham
(115060191)

9:00 a.m.

Saturday September 14, 2019, 9:00 a.m.11:20 a.m.
Special Session on Topology and Descriptive Set Theory, I
Room 579, Van Hise Hall
Organizers:
Tetsuya Ishiu, Miami University ishiut@miamioh.edu
Paul B. Larson, Miami University larsonpb@miamioh.edu

9:00 a.m.
Topologies and descriptive set theory.
Slawomir Solecki*, Cornell University
(115003652) 
9:30 a.m.
Noetherian pi type and the Suslin number.
Lynne Yengulalp*, University of Dayton, Dayton, Ohio  Wake Forest University, WinstonSalem, North Carolina (2019/2020)
(115054449) 
10:00 a.m.
Parametrization and preservation in the Ramsey theory for block sequences.
Iian B. Smythe*, Rutgers University
(115003262) 
10:30 a.m.
Maximal pseudometrics and distortion of circle diffeomorphisms.
Michael P Cohen*, Carleton College
(115022333) 
11:00 a.m.
New jump operators on Borel equivalence relations.
John D. Clemens*, Boise State University
Samuel Coskey, Boise State University
(115003321)

9:00 a.m.

Saturday September 14, 2019, 9:00 a.m.11:20 a.m.
Special Session on Wave Phenomena in Fluids and Relativity, I
Room 222, Ingraham Hall
Organizers:
Sohrab Shahshahani, University of Massachusetts
Willie W.Y. Wong, Michigan State University wongwwy@math.msu.edu

9:00 a.m.
Regularity results for generalized Boussinesq equations.
Dan Andrei Geba*, University of Rochester
Bai Lin, University of Rochester
Evan Witz, University of Rochester
(115035152) 
9:30 a.m.
Dispersive Solutions for the KDV Flow.
Daniel Tataru, UC Berkeley
Herbert Koch, University of Bonn
Mihaela Ifrim*, Uw Madison
(115035569) 
10:00 a.m.
The radiationreaction problem in classical electrodynamics.
Michael K.H. Kiessling*, Rutgers, The State University of New Jersey
Shadi TahvildarZadeh, Rutgers, The State University of New Jersey
(115078345) 
10:30 a.m.
Pushing Forward the Theory of WellPosedness for Systems of Conservation Laws Verifying a Single Entropy Condition.
Sam G. Krupa*, The University of Texas at Austin
Alexis F. Vasseur, The University of Texas at Austin
(115076529) 
11:00 a.m.
Steady water waves with localized vorticity.
Chongchun Zeng*, Georgia Institute of Technology
(115035268)

9:00 a.m.

Saturday September 14, 2019, 9:30 a.m.11:20 a.m.
Special Session on Connections between Noncommutative Algebra and Algebraic Geometry, I
Room 478, Van Hise Hall
Organizers:
Jason Gaddis, Miami University gaddisj@miamioh.edu
Dennis Keeler, Miami University

9:30 a.m.
Noncommutative tensortriangular geometry.
Daniel Nakano, University of Georgia
Kent B. Vashaw*, Louisiana State University
Milen Yakimov, Louisiana State University
(115018513) 
10:00 a.m.
Representations of Hopf Algebra and noncommutative prime spectra.
Martin Lorenz, Temple University
Bach Nguyen*, Temple University
Ramy Yammine, Temple University
(115016195) 
10:30 a.m.
Zariski cancellation for Poisson algebras.
Jason Gaddis, Miami University
Xingting Wang*, Howard University
(115016221) 
11:00 a.m.
Isomorphism Classes of Graded Skew Clifford Algebras.
Richard G Chandler*, University of North Texas at Dallas
Nicholas Engel, University of Texas at Arlington
(115016361)

9:30 a.m.

Saturday September 14, 2019, 9:30 a.m.11:10 a.m.
Special Session on Large Scale Properties of Interacting Stochastic Systems, I
Room 122, Ingraham Hall
Organizers:
Timo Seppalainen, University of WisconsinMadison
Hao Shen, University of WisconsinMadison hshen3@wisc.edu
Benedek Valko, University of WisconsinMadison

9:30 a.m.
Quasilinear parabolic equations with singular forcing.
Scott Andrew Smith*, University of WisconsinMadison
Felix Otto, Max Planck Institute for Mathematics in the Sciences
Jonas Sauer, Max Planck Institute for Mathematics in the Sciences
Hendrik Weber, University of Bath
(115060426) 
10:30 a.m.
Convergence of finiterange weakly asymmetric exclusion processes on a ring.
Konstantin Matetski*, Columbia University
(115060457)

9:30 a.m.

Saturday September 14, 2019, 9:30 a.m.10:50 a.m.
Special Session on Number Theory and Cryptography, I
Room 474, Van Hise Hall
Organizers:
Eric Bach, University of WisconsinMadison bach@cs.wisc.edu
Jon Sorenson, Butler University jsorenso@butler.edu

9:30 a.m.
On repeated values of Euler's totient function.
Paul A. Kinlaw*, Husson University
(115011450) 
10:00 a.m.
CohenLenstra distributions from padic matrices.
Gilyoung Cheong*, University of Michigan
(11501196) 
10:30 a.m.
Improved Efficiency of a Linearly Homomorphic Cryptosystem.
Renate Scheidler*, University of Calgary
(115011676)

9:30 a.m.

Saturday September 14, 2019, 10:30 a.m.10:50 a.m.
Special Session on Functional Analysis and Its Applications, I
Room 367, Van Hise Hall
Organizers:
Clement Boateng Ampadu, Boston, MA drampadu@hotmail.com
Waleed AlRawashdeh, Montana Tech University

10:30 a.m.
Discussion

10:30 a.m.

Saturday September 14, 2019, 11:40 a.m.12:30 p.m.
Invited Address
Fun with finite covers of 3manifolds: connections between topology, geometry, and arithmetic.
B10, Ingraham Hall
Nathan M Dunfield*, University of Illinois
(11505795) 
Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Algebraic and Geometric Combinatorics, II
Room 486, Van Hise Hall
Organizers:
Benjamin Braun, University of Kentucky
Marie Meyer, Lewis University
McCabe Olsen, Ohio State University olsen.149@osu.edu

2:00 p.m.
Generalizations of the BorsukUlam theorem.
Florian Frick*, Carnegie Mellon University
(115005470) 
2:30 p.m.
Homomorphism Complexes and Maximal Chains in Graded Posets.
Benjamin J. Braun, University of Kentucky
Wesley K. Hough*, University of Wisconsin  Whitewater
(115005511) 
3:00 p.m.
Whitney Numbers for Poset Cones.
Galen DorpalenBarry*, Minneapolis
Victor Reiner, University of Minnesota (Twin Cities)
(115003627) 
3:30 p.m.
2matching complexes of clawed graphs.
Julianne Vega*, University of Kentucky
(115005198) 
4:00 p.m.
Exposed circuits, chordal clutters, and extendably shellable complexes.
Anton Dochtermann*, Texas State University
(115005609) 
4:30 p.m.
Coset posets, invariable generation and binomial coefficients.
Robert Guralnick, University of Southern California
John Shareshian*, Washington University
Russ Woodroofe, University of Primorska
(115005620)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:20 p.m.
Special Session on Analysis and Probability on Metric Spaces and Fractals, II
Room 22, Ingraham Hall
Organizers:
Guy C. David, Ball State University gcdavid@bsu.edu
John Dever, Bowling Green State University

2:00 p.m.
Dirichlet forms on Fractals.
Alexander Teplyaev*, University of Connecticut
(115060234) 
3:00 p.m.
Sobolev type inequalities on Dirichlet spaces with Gaussian heat kernel estimates.
Particia AlonsoRuiz, University of Connecticut
Fabrice Baudoin, University of Connecticut
Li Chen*, University of Connecticut
Luke Rogers, University of Connecticut
Nageswari Shanmugalingam, University of Cincinnati
Alexander Teplyaev, University of Connecticut
(115046225) 
3:30 p.m.
Isoperimetric type inequalities on Dirichlet spaces with subGaussian heat kernel estimates.
Patricia AlonsoRuiz, University of Texas A&M
Fabrice Baudoin*, University of Connecticut
Li Chen, University of Connecticut
Luke Rogers, University of Connecticut
Nageswari Shanmugalingam, University of Cincinatti
Sasha Teplyaev, University of Connecticut
(115031231) 
4:00 p.m.
Horizontal convex envelope in the Heisenberg group and applications to subelliptic equations.
Qing Liu, Fukuoka University
Xiaodan Zhou*, Worcester Polytechnic Institute
(115035114)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:40 p.m.
Special Session on Arithmetic of Shimura Varieties, II
Room 475, Van Hise Hall
Organizers:
Chao Li, Columbia University chaoli@math.columbia.edu
Solly Parenti, University of WisconsinMadison
Tonghai Yang, University of WisconsinMadison

2:00 p.m.
Higher Green's function and application to singular moduli.
Yingkun Li*, Technische Universität Darmstadt
(115011128) 
3:00 p.m.
Green currents and special cycles.
Siddarth Sankaran*, University of Manitoba
(115011459) 
4:00 p.m.
On the volume of compact $p$adic manifold.
Sungmun Cho*, POSTECH, Korea
(115011383)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Association Schemes and Related Topics  in Celebration of J.D.H. Smith's 70th Birthday, II
Room 494, Van Hise Hall
Organizers:
Kenneth W. Johnson, Penn State University Abington kwj1@psu.edu
Sung Y. Song, Iowa State University sysong@iastate.edu

2:00 p.m.
Constructing partial geometries from overlarge sets of Steiner systems.
Sven Reichard, No affiliation
Andrew Woldar*, Villanova University
(11500575) 
2:30 p.m.
Metathin schemes and variations of difference sets.
Christopher P French*, Grinnell College
(115020444) 
3:00 p.m.
Linear and nonlinear looptransversal codes.
Mehmet Dagli*, Norfolk State University
Bokhee Im, Chonnam National University
Jonathan D.H. Smith, Iowa State University
(115017619) 
3:30 p.m.
Complex Hadamard diagonalizable graphs.
Ada Chan*, Department of Mathematics and Statistics, York University
(115005402) 
4:00 p.m.
Wedgedirect sums of table algebras and applications to association schemes.
Bangteng Xu*, Eastern Kentucky University
(11500521) 
4:30 p.m.
Twin Buildings and Hypergroups.
PaulHermann Zieschang*, University of Texas Rio Grande Valley
(115020642)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Automorphic Forms and LFunctions, II
Room 482, Van Hise Hall
Organizers:
Simon Marshall, University of WisconsinMadison marshall@math.wisc.edu
Ruixiang Zhang, University of WisconsinMadison

2:00 p.m.
Automorphic Descents and Branching Problems.
Dihua Jiang*, School of Mathematics, University of Minnesota
(11502230) 
3:00 p.m.
A relationship between a period integral and certain automorphic Lfunctions at the central critical value.
Melissa Emory*, University of Toronto
(115011196) 
3:30 p.m.
On automorphic descent from GL(7) to G2.
Baiying Liu*, Purdue University
Joseph Hundley, University of Buffalo
(115011164) 
4:00 p.m.
Growth of Cohomology and the Stable Trace Formula.
Mathilde GerbelliGauthier*, University of Chicago
(115011328) 
4:30 p.m.
On the spectral expansion of the JacquetRallis relative trace formula.
Michal Zydor*, University of Michigan
(115011462)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:20 p.m.
Special Session on Classical and Geophysical Fluid Dynamics: Modeling, Reduction and Simulation, II
Room 224, Ingraham Hall
Organizers:
Nan Chen, University of WisconsinMadison chennan@math.wisc.edu
Honghu Liu, Virginia Tech University

2:00 p.m.
Topological Phase Transitions in Geophysical Fluid Dynamics.
Tian Ma, Sichuan University
Shouhong Wang*, Indiana University
(115082187) 
2:30 p.m.
On the design of superconvergent hybridizable discontinuous methods for phase field fluid models.
Daozhi Han*, Missouri University of Science and Technology
(115065143) 
3:00 p.m.
Numerical study of inviscid hydrostatic primitive equations of humid atmosphere above a mountain.
Youngjoon Hong*, San Diego State University
(11506588) 
3:30 p.m.
Boundary Control of Optimal Mixing via Fluid Flows and Numerical Implementation.
Weiwei Hu*, University of Georgia
Xiaoming Zheng, Central Michigan University
(115035293) 
4:00 p.m.
Conservative Explicit Local TimeStepping Schemes for the Shallow Water Equations.
Zhu Wang*, University of South Carolina
(11506537)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Combinatorial Algebraic Geometry, II
Room 479, Van Hise Hall
Organizers:
Juliette Bruce, University of WisconsinMadison juliette.bruce@math.wisc.edu
Daniel Erman, University of WisconsinMadison
Chris Eur, University of California Berkeley
Lily Silverstein, University of California Davis

2:00 p.m.
Gröbner bases for symmetric determinantal ideals.
Laura Escobar*, Washington University in St. Louis
Alex Fink, Queen Mary University of London
Jenna Rajchgot, University of Saskatchewan
Alexander Woo, University of Idaho
(115005215) 
2:30 p.m.
Enumerating Linear Systems on Graphs.
Sarah Brauner*, University of Minnesota
David Perkinson, Reed College
Forrest Glebe, Purdue University
(115005170) 
3:00 p.m.
The Wronski map on real Schubert cells.
Jake Levinson*, University of Washington, Seattle
Kevin Purbhoo, University of Waterloo
(115014356) 
3:30 p.m.
Diagonal Gröbner geometry of matrix Schubert varieties.
Zachary Hamaker, University of Michigan
Oliver Pechenik, University of Michigan
Anna Weigandt*, University of Michigan
(115005371) 
4:00 p.m.
Virtual Resolutions of Monomial Ideals.
Jay Yang*, University of Minnesota  Twin Cities
(115013359) 
4:30 p.m.
Regularity of $S_n$invariant monomial ideals.
Claudiu Raicu*, University of Notre Dame
(115013319)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:40 p.m.
Special Session on Commutative Algebra: in Celebration of the 150th Birthday of Roger and Sylvia Wiegand, II
Room 114, Van Hise Hall
Organizers:
Nicholas Baeth, Franklin & Marshall College
Graham Leuschke, Syracuse University gjleusch@syr.edu

2:00 p.m.
The work of Roger and Sylvia Wiegand: a partial survey.
William J Heinzer*, Purdue University
(115013181) 
3:00 p.m.
Topics in Algebraic Graph Theory.
Aihua Li*, Montclair State University
(115016579) 
3:30 p.m.
Interlace Polynomials of Friendship and Butterfly Graphs.
Christina L EubanksTurner*, Loyola Marymount University
Aihua Li, Montclair State University
(115012437) 
4:00 p.m.
Integral Closures of Noetherian Domains.
Raymond C Heitmann*, University of Texas at Austin
(115013211)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:40 p.m.
Special Session on Computability Theory in Honor of Steffen Lempp's 60th Birthday, II
Room 594, Van Hise Hall
Organizers:
Joseph S. Miller, University of WisconsinMadison
Noah D. Schweber, University of WisconsinMadison
Mariya I. Soskova, University of WisconsinMadison msoskova@math.wisc.edu

2:00 p.m.
Transfinite Ramsey Theorem.
Antonio Montalban*, University of California, Berkeley
(115003325) 
3:00 p.m.
More reverse mathematics motivated by finite complexity theory.
Jeffry Hirst*, Appalachian State University
(115003175) 
3:30 p.m.
Weak computability in the $\kappa$Turing degrees.
Reese Johnston*, University of Washington
Noah Schweber, University of Wisconsin  Madison
(115003344) 
4:00 p.m.
Foundations of Online Structure Theory.
Rod Downey*, School of Maths and Stats, Victoria University, Wellington
(11500322)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.5:00 p.m.
Special Session on Connecting Network Structure and Behavior of Biological Interaction Systems, II
Room 19, Ingraham Hall
Organizers:
David Anderson, University of WisconsinMadison
Gheorghe Craciun, University of WisconsinMadison craciun@math.wisc.edu
Abhishek Deshpande, University of WisconsinMadison

2:00 p.m.
A generalization of Birch's theorem and applications to multistationarity in generalized massaction systems.
Casian Pantea*, West Virginia University
Gheorghe Craciun, University of WisconsinMadison
Stefan Mueller, University of Vienna
Polly Yu, University of WisconsinMadison
(115092617) 
2:30 p.m.
Steady State Parametrizations for Biochemical Reaction Systems.
Matthew D Johnston*, Lawrence Technological University
Stefan Muller, University of Vienna
Casian Pantea, West Virginia University
(115092358) 
3:00 p.m.
Intrinsic disturbance rejection properties of absolute concentration robust systems.
Daniele Cappelletti*, ETH Zurich
Ankit Gupta, ETH Zurich
Mustafa Khammash, ETH Zurich
(115034440) 
3:30 p.m.
Persistence and global stability for biochemical reactiondiffusion systems.
Jiaxin Jin*, Department of Mathematics, University of WisconsinMadison
Gheorghe Craciun, Department of Mathematics, University of WisconsinMadison
Casian Pantea, Department of Mathematics, West Virginia University
Adrian Tudorascu, Department of Mathematics, West Virginia University
(115092638) 
4:00 p.m.
Stability of complexbalanced systems under perturbation.
Polly Y. Yu*, Department of Mathematics, University of WisconsinMadison
Gheorghe Craciun, Departments of Biomolecular Chemistry and Mathematics, University of WisconsinMadison
(115037525) 
4:30 p.m.
Discussion

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Connections between Noncommutative Algebra and Algebraic Geometry, II
Room 478, Van Hise Hall
Organizers:
Jason Gaddis, Miami University gaddisj@miamioh.edu
Dennis Keeler, Miami University

2:00 p.m.
Holomorphic structures on quantum complex projective spaces.
AdamChristiaan van Roosmalen, Hasselt University
Réamonn Ó Buachalla, Université libre de Bruxelles
Zhaoting Wei*, Kent State University at Geauga
(115016335) 
2:30 p.m.
A translation principle for generalized Weyl algebras.
Robert Won*, University of Washington
Luigi Ferraro, Wake Forest University
Jason Gaddis, Miami University
(115016148) 
3:00 p.m.
Morphisms to noncommutative projective lines.
Daniel Chan, University of New South Wales
Adam Nyman*, Western Washington University
(115014110) 
3:30 p.m.
Prime Torsion in the Brauer Group of an Elliptic Curve.
Charlotte Ure*, University of Virginia
(115016479) 
4:00 p.m.
nCanonical Orders and Auslander's Theorem.
Josh Stangle*, University of Wisconsin  Superior
(115014473) 
4:30 p.m.
Associating Geometry to the Lie superalgebra $\mathfrak{sl}(1 \vert 1)$ and to the color Lie algebra $\mathfrak{sl}_2^c(\Bbbk)$.
Padmini Veerapen*, Tennessee Technological University
Susan Sierra, University of Edinburgh
Spela Spenko, Free University of Brussels
Michaela Vancliff, University of Texas at Arlington
Emilie Wiesner, Ithaca College
(11501656)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Extremal Graph Theory, II
Room 491, Van Hise Hall
Organizers:
Józef Balogh, University of Illinois jobal@math.uiuc.edu
Bernard Lidický, Iowa State University

2:00 p.m.
Polynomial to exponential transition in Ramsey theory.
Dhruv Mubayi*, UIC
A Razborov, University of Chicago
(115005254) 
2:30 p.m.
Independent set permutations and matching permutations.
David Galvin*, University of Notre Dame
(11500532) 
3:00 p.m.
Independent sets in the hypercube revisited.
Matthew Jenssen, University of Oxford
Will Perkins*, University of Illinois at Chicago
(115005159) 
3:30 p.m.
High powers of Hamiltonian cycles in randomly augmented graphs.
Andrzej Dudek*, Western Michigan University
(115005391) 
4:00 p.m.
The (2,2) and (4,3) properties in families of fat sets in the plane.
Shiliang Gao, University of Michigan
Shira Zerbib*, Iowa State University
(115005442) 
4:30 p.m.
On graph reconstruction from smaller subgraphs.
Alexandr V. Kostochka, University of Illinois at UrbanaChampaign, Urbana IL and Sobolev Institute of Mathematics, Novosibirsk, Russia
Mina Nahvi*, University of Illinois at UrbanaChampaign, Urbana IL
Douglas B. West, Zhejiang Normal University, Jinhua, China and University of Illinois at UrbanaChampaign, Urbana IL
Dara Zirlin, University of Illinois at UrbanaChampaign, Urbana IL
(115005298)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Floer Homology in Dimensions 3 and 4, II
Room 395, Van Hise Hall
Organizers:
Jianfeng Lin, UC San Diego
Christopher Scaduto, University of Miami cscaduto@scgp.stonybrook.edu

2:00 p.m.
Wrapped Floer theory for exact Lagrangian cobordisms.
Yu Pan*, MIT
(115057369) 
2:30 p.m.
NEW TIME: An infinite rank summand of the homology cobordism group.
Irving Dai, Massachusetts Institute of Technology
Jennifer Hom, Georgia Institute of Technology
Matthew Stoffregen, Massachusetts Institute of Technology
Linh Truong*, Institute for Advanced Study
(115057418) 
3:30 p.m.
More concordance homomorphisms from knot Floer homology.
Irving Dai*, Massachusetts Institute of Technology
Jennifer Hom, Georgia Institute of Technology
Matthew Stoffregen, Massachusetts Institute of Technology
Linh Truong, Columbia University
(115057628) 
4:00 p.m.
Involutive Heegaard Floer homology and knots.
Kristen Hendricks, Rutgers University
Jennifer Hom, Georgia Institute of Technology
Matthew Stoffregen*, Massachusetts Institute of Technology
(115057602) 
4:30 p.m.
A 2D family of annular concordance invariants from SarkarSeedSzabó's filtered complex.
Melissa L Zhang*, University of Georgia
Linh Truong, Institute for Advanced Study
(115057366)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Fully Nonlinear Elliptic and Parabolic Partial Differential Equations, Local and Nonlocal, II
Room 378, Van Hise Hall
Organizers:
Fernando Charro, Wayne State University fcharro@wayne.edu
Stefania Patrizi, The University of Texas at Austin
Peiyong Wang, Wayne State University

2:00 p.m.
Energy Scaling and Asymptotic Properties of OneDimensional Discrete System with Long Range Interactions.
Tao Luo, Purdue University
Yang Xiang, Hong Kong University of Science and Technology
Nung Kwan (Aaron) Yip*, Purdue University
(11503578) 
2:30 p.m.
Radial Symmetry for the pLaplace Operator.
Alaa Haj Ali*, Purdue University
Peiyong Wang, Wayne State University
(115035519) 
3:00 p.m.
Regularity theory for nonlocal spacetime master equations.
Animesh Biswas*, Iowa State University
Pablo Raul Stinga, Iowa State University
(115035147) 
3:30 p.m.
$C^{1,\alpha}$ Boundary Regularity for Transmission Problems.
Maria SoriaCarro*, The University of Texas at Austin
(115035139) 
4:00 p.m.
A new boundary Harnack principle.
Mark Allen*, Brigham Young University
Henrik Shahgholian, KTH, Stockholm
(11503531) 
4:30 p.m.
Regularity of interfaces for a Pucci type segregation problem.
L. Caffarelli, University of Texas at Austin
S. Patrizi, University of Texas at Austin
V. Quitalo, University of Coimbra
M. Torres*, Purdue University
(115035355)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.3:40 p.m.
Special Session on Functional Analysis and Its Applications, II
Room 367, Van Hise Hall
Organizers:
Clement Boateng Ampadu, Boston, MA drampadu@hotmail.com
Waleed AlRawashdeh, Montana Tech University

2:00 p.m.
NEW TIME: Some Classical Fixed Point Theorems Endowed with Multiplicative CClass Functions.
Clement B Ampadu*, Boston, MA
(1150547) 
3:00 p.m.
NEW TIME: On Traces of Sobolev Spaces with Strongly Degenerated Weights.
Mahmud Ahmadov*, Holyoke Community College
(11503547)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Geometry and Topology in Arithmetic, II
Room 383, Van Hise Hall
Organizers:
Rachel Davis, University of WisconsinMadison rachel.davis@wisc.edu

2:00 p.m.
An arithmetic count of lines meeting four lines in P$^3$.
Padmavathi Srinivasan*, University of Georgia
Kirsten Wickelgren, Duke University
(115014552) 
2:30 p.m.
Nichols Algebras and Asymptotic Point Counts of Number Fields.
Gregory Michel*, University of Minnesota
(115055497) 
3:00 p.m.
Counting Points on Modular Curves by Stacky Height.
Brandon Boggess*, University of WisconsinMadison
(115011605) 
3:30 p.m.
Ordinarity questions in characteristic $p$ and ArtinSchreier curves.
Soumya Sankar*, University of Wisconsin, Madison
(115011409) 
4:00 p.m.
The Geometric Distribution of Selmer Groups over Function Fields.
Tony Feng, Massachusetts Institute of Technology
Aaron Landesman*, Stanford University
Eric Rains, The California Institute of Technology
(115011300) 
4:30 p.m.
On the average of $p$Selmer rank in quadratic twist families of elliptic curves over function field.
Niudun Wang*, University of WisconsinMadiosn
SunWoo Park, University of WisconsinMadison
(115011153)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:40 p.m.
Special Session on Geometry and Topology of Singularities, II
Room 394, Van Hise Hall
Organizers:
Laurentiu Maxim, University of WisconsinMadison maxim@math.wisc.edu

2:00 p.m.
Defect of Euclidean distance degree.
Laurentiu G. Maxim, UW Madison
Jose Israel Rodriguez*, UW Madison
Botong Wang, UW Madison
(115014680) 
3:00 p.m.
A SegreSchwartzMacPherson zeta function.
Paolo Aluffi*, Florida State University
(115014340) 
4:00 p.m.
Elliptic classes of Schubert varieties.
Richard Rimanyi*, University of North Carolina at Chapel Hill
Andrzej Weber, University of Warsawa Poland
(115014373)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Hall Algebras, Cluster Algebras and Representation Theory, II
Room 487, Van Hise Hall
Organizers:
Xueqing Chen, UWWhitewater chenx@uww.edu
Yiqiang Li, SUNY at Buffalo

2:00 p.m.
Tensor products and character formulae for HLmodules and monoidal categorification.
Vyjayanthi Chari*, University of California Riverside
(115017354) 
2:30 p.m.
Koszul duality for nongraded derived categories.
Ales Bouhada, University of Sherbrooke
Shiping Liu*, University of Sherbrooke
Min Huang, University of Sherbrooke
(115016524) 
3:00 p.m.
Support varieties for infinitesimal unipotent supergroups.
Christopher Drupieski, DePaul University
Jonathan Kujawa*, University of Oklahoma
(115020590) 
3:30 p.m.
Towers of algebras arised from representations of RotaBaxter algebras.
Zongzhu Lin*, Kansas State University
(115016554) 
4:00 p.m.
Cacti and spectra of monomial braidings.
Arkady Berenstein, University of Oregon Eugene
Jacob Greenstein*, University of California Riverside
JianRong Li, Universitat Graz, Austria
(115017227) 
4:30 p.m.
A note on maximal green sequences in abelian length categories.
Fang Li*, Department of Mathematics, Zhejiang University
(115016382)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:40 p.m.
Special Session on Hodge Theory in Honor of Donu Arapura's 60th Birthday, II
Room 399, Van Hise Hall
Organizers:
Ajneet Dhillon, University of Western Ontario
Kenji Matsuki, Purdue University
Deepam Patel, Purdue University
Botong Wang, University of WisconsinMadison wang@math.wisc.edu

2:00 p.m.
Desingularization of schemes and morphisms.
Jaroslaw Wlodarczyk*, Purdue University
(115014379) 
3:00 p.m.
Hodge filtration, minimal exponent, and local vanishing.
Mircea Mustata*, University of Michigan
(115014161) 
4:00 p.m.
Weight filtration on Hodge modules coming from toric embeddings.
Thomas Reichelt, University of Heidelberg
Uli Walther*, Purdue University
(11501455)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.3:40 p.m.
Special Session on Homological and Characteristic p > 0 Methods in Commutative Algebra, II
Room 155, Van Hise Hall
Organizers:
Michael Brown, University of WisconsinMadison mkbrown5@wisc.edu
Eric Canton, University of Michigan

2:00 p.m.
BernsteinSato theory for arbitrary ideals in prime characteristic.
Eamon QuinlanGallego*, University of Michigan / University of Tokyo
(115013261) 
3:00 p.m.
Hodge ideals for determinantal hypersurfaces.
Mircea Mustaţă, University of Michigan
Michael Perlman*, University of Notre Dame
Claudiu Raicu, University of Notre Dame
(115014232)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:40 p.m.
Special Session on Homotopy Theory, II
Room 387, Van Hise Hall
Organizers:
Gabe AngeliniKnoll, Michigan State University
Teena Gerhardt, Michigan State University teena@math.msu.edu
Bertrand Guillou, University of Kentucky

2:00 p.m.
On the complex motivic Hermitian Ktheory based Adams spectral sequence.
Dominic L Culver*, University of Illinois, UrbanaChampaign
J.D. Quigley, Cornell University
(115055401) 
3:00 p.m.
Equivariant trees and equivariant higher algebra.
Peter Bonventre*, University of Kentucky
(115055481) 
4:00 p.m.
Chromatic SpanierWhitehead duality.
Agnes Beaudry, University of Colorado Boulder
Paul Goerss, Northwestern University
Michael Hopkins, Harvard University
Vesna Stojanoska*, University of Illinois at Urbana Champaign
(115055589)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:40 p.m.
Special Session on Large Scale Properties of Interacting Stochastic Systems, II
Room 122, Ingraham Hall
Organizers:
Timo Seppalainen, University of WisconsinMadison
Hao Shen, University of WisconsinMadison hshen3@wisc.edu
Benedek Valko, University of WisconsinMadison

2:00 p.m.
Asymptotics of discrete $\beta$corners processes via twolevel discrete loop equations.
Alisa Knizel*, Columbia University
Evgeni Dimitrov, Columbia University
(11508265) 
3:00 p.m.
The directed landscape.
Duncan Dauvergne*, Princeton University
(115060341) 
4:00 p.m.
The Busemann process and geometry of geodesics in directed last passage percolation.
Christopher Janjigian*, University of Utah
Firas RassoulAgha, University of Utah
Timo Seppalainen, University of Wisconsin  Madison
(115060299)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Lie Representation Theory, II
Room 490, Van Hise Hall
Organizers:
Mark Colarusso, University of South Alabama
Michael Lau, Université Laval Michael.Lau@mat.ulaval.ca
Matt Ondrus, Weber State University

2:00 p.m.
Simple modules over Witt algebras $W_d$.
Kaiming Zhao*, Department of Mathematics, Wilfrid Laurier University, Waterloo, Canada, N2L 3C5
(11501761) 
2:30 p.m.
Connecting modules of $\mathfrak{sl}_2$ and the Virasoro algebra.
Matthew Ondrus, Weber State University
Emilie Wiesner*, Ithaca College
(115017173) 
3:00 p.m.
Universal objects in vertex algebra theory.
Andrew R Linshaw*, University of Denver
(115017257) 
4:00 p.m.
From Leibniz algebras to $\mathbb{N}$graded vertex algebras.
Gaywalee Yamskulna*, Department of Mathematics, Illinois State University
(115017422) 
4:30 p.m.
TALK CANCELLED: Walgebras associated to truncated current Lie algebras.
Xiao He*, School of Mathematics (Zhuhai), Sun YatSen University
(115017561)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:40 p.m.
Special Session on Model Theory, II
Room 587, Van Hise Hall
Organizers:
Uri Andrews, University of WisconsinMadison andrews@math.wisc.edu
Omer Mermelstein, University of WisconsinMadison

2:00 p.m.
"Transfinite Ramsey Theorem." This talk is a joint presentation of the Special Sessions on Computability Theory in Honor of Steffen Lempp's 60th Birthday and Model Theory. Please see the schedule for the Special Session on Computability Theory. 
3:00 p.m.
Vaught's TwoCardinal Theorem in Continuous Logic.
Victoria Noquez*, Indiana University Bloomington
(115003421) 
3:30 p.m.
Interpolative fusions.
Alex Kruckman*, Wesleyan University
Minh Chieu Tran, University of Notre Dame
Erik Walsberg, University of California, Irvine
(115003288) 
4:00 p.m.
"Foundations of Online Structure Theory." This talk is a joint presentation of the Special Sessions on Computability Theory in Honor of Steffen Lempp's 60th Birthday and Model Theory. Please see the schedule for the Special Session on Computability Theory.

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:40 p.m.
Special Session on Nonlinear Dispersive Equations and Water Waves, II
Room 223, Ingraham Hall
Organizers:
Mihaela Ifrim, University of WisconsinMadison ifrim@wisc.edu
Daniel Tataru, University of California, Berkeley

2:00 p.m.
Illposedness of nonlinear fluid equations.
Mimi Dai*, University of Illinois at Chicago
(115035223) 
3:00 p.m.
Global existence of small amplitude solutions to 2D quadratic quasilinear waveKleinGordon systems with mildly decaying Cauchy data.
Annalaura Stingo*, UC Davis
Mihaela Ifrim, University of Wisconsin Madison
(11503598) 
4:00 p.m.
Local wellposedness for the Muskat problem.
Benoit Pausader*, Brown University
Huy Q Nguyen, Brown University
(115035380)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Quasigroups and Loops  in honor of J.D.H. Smith's 70th birthday, II
Room 499, Van Hise Hall
Organizers:
J.D. Phillips, Northern Michigan University jophilli@nmu.edu
Petr Vojtechovsky, University of Denver

2:00 p.m.
On maximal partial transversals in latin squares.
Anthony B Evans*, Wright State University
(115005204) 
2:30 p.m.
Generalized BolMoufang loop varieties.
J. D. Phillips*, Northern Michigan University
(115020150) 
3:00 p.m.
On the enumeration and classification of commutative automorphic loops.
Mark B Greer*, University of North Alabama
(115020607) 
3:30 p.m.
Semiquasigroups.
Michael Kinyon*, University of Denver
(115020544) 
4:00 p.m.
On semiparamedial quasigroups.
Mariah Barnes*, University of Denver
Michael Kinyon, University of Denver
(115017653) 
4:30 p.m.
ParaF Quasigroups.
Nicholas R Britten*, University of Denver
(115017475)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.3:50 p.m.
Special Session on Recent Developments in Harmonic Analysis, II
Room 375, Van Hise Hall
Organizers:
Theresa Anderson, Purdue University
Joris Roos, University of WisconsinMadison jroos@math.wisc.edu

2:00 p.m.
The Buffon Circle Problem A Quantitative Version.
Krystal Taylor*, The Ohio State University
Laura Cladak, UCLA
Blair Davey, CUNY
(115043612) 
2:30 p.m.
Explicit Salem Sets in Euclidean Space.
Kyle Hambrook*, San Jose State University
Robert Fraser, University of Edinburgh
(115042566) 
3:00 p.m.
OneAndAHalfEndpoint Real Linear Interpolation and $L^2$ Fractal Restriction with nonMitsis/Mockenhaupt/BakSeeger data.
Marc Carnovale*, The Ohio State University
(115042654) 
3:30 p.m.
Dimension and projections in normed spaces.
Annina Iseli*, University of California, Los Angeles (UCLA)
(115028313)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Recent Trends in the Mathematics of Data, II
Room 104, Van Hise Hall
Organizers:
Sebastien Roch, University of WisconsinMadison roch@math.wisc.edu
David Sivakoff, Ohio State University
Joseph Watkins, University of Arizona

2:00 p.m.
AverageCase Reductions Between Statistics Problems: From GOE to Wishart and Other Precise Distributional Maps.
Matthew Brennan, Massachusetts Institute of Technology
Guy Bresler*, Massachusetts Institute of Technology
(115062182) 
2:30 p.m.
Scalable and Modelfree Methods for Multiclass Probability Estimation.
Helen Zhang*, University of Arizona
(115062157) 
3:00 p.m.
Unbiased estimators for random design regression.
Michal Derezinski*, UC Berkeley
Manfred K. Warmuth, UC Santa Cruz and Google Inc.
Daniel Hsu, Columbia University
(115062222) 
3:30 p.m.
Fractal Dimension Estimation with Persistent Homology.
Benjamin Schweinhart*, The Ohio State University
(115060616) 
4:00 p.m.
Statistical learning with evolutionaryrelated correlated random variables.
Vu C Dinh*, University of Delaware
(115000491) 
4:30 p.m.
Reducing AI Bias using Truncated Statistics.
Constantinos Daskalakis*, EECS and CSAIL, MIT
(115062651)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:40 p.m.
Special Session on Recent Work in the Philosophy of Mathematics, II
Room 578, Van Hise Hall
Organizers:
Thomas Drucker, University of WisconsinWhitewater druckert@uww.edu
Dan Sloughter, Furman University

2:00 p.m.
ModalStructural Mathematics and a HeightPotentialist View of Set Theory.
Geoffrey Hellman*, Philosophy, University of Minnesota (Twin Cities)
(115003178) 
3:00 p.m.
Gödel's Theorem and Paraconsistency.
Graham Priest*, Graduate Center, City University of New York
(115003130) 
4:00 p.m.
Proofs as objects.
Wilfried Sieg*, Department of Philosophy, Carnegie Mellon University
(115003476)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Relations Between the History and Pedagogy of Mathematics, II
Room 574, Van Hise Hall
Organizers:
Emily T. Hamilton, University of Massachusetts, Amherst
Brit Shields, University of Pennsylvania bshields@seas.upenn.edu
Rebecca Vinsonhaler, University of Texas, Austin

2:00 p.m.
Abstracting Knowledge: Formalist Aesthetics and the Nature of Mathematics.
Clare Kim*, MIT
(115001668) 
2:30 p.m.
Relationships between axiomatics and pedagogy in E.V. Huntington's work.
Laura E Turner*, Monmouth University
(115001637) 
3:00 p.m.
Relations between the History and the Pedagogy of Mathematics in the United States  The Case of Leslie Leland Locke, Historian, Teacher and Collector.
Peggy A Kidwell*, National Museum of American History, Smithsonian Institution
(11500133) 
3:30 p.m.
A Tale of Two Textbooks.
David Lindsay Roberts*, Prince George's Community College
(11500166) 
4:00 p.m.
Mathematics in Astronomy at Harvard College Before 1839.
Amy AckerbergHastings*, Independent Scholar
(11500111) 
4:30 p.m.
History and Pedagogy to reach more students.
Florence Fasanelli*, Washington, DC
(115001634)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:20 p.m.
Special Session on Several Complex Variables, II
Room 379, Van Hise Hall
Organizers:
Hanlong Fang, University of WisconsinMadison
Xianghong Gong, University of WisconsinMadison gong@math.wisc.edu

2:00 p.m.
Unique continuation for CR mappings and some elliptic pdes.
Shiferaw Berhanu*, Temple University
(115032615) 
2:30 p.m.
Strong Closed Range Estimates: Necessary Conditions and Applications.
Phillip S. Harrington, University of Arkansas
Andrew Raich*, University of Arkansas
(11503251) 
3:00 p.m.
Competing Definitions of the DiederichFornæss Index.
Phillip S. Harrington*, University of Arkansas
(115032108) 
3:30 p.m.
Weighted Sobolev $L^{p}$ estimates for homotopy operators on strictly pseudoconvex domains with $C^{2}$ boundary.
Ziming Shi*, University of Wisconsin  Madison
(115032125) 
4:00 p.m.
Positivity of Direct Images of Vector Bundles.
Dror Varolin*, Department of Mathematics, SUNY Stony Brook
(115032297)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Special Functions and Orthogonal Polynomials, II
Room 495, Van Hise Hall
Organizers:
Sarah Post, University of Hawai`i at Manoa
Paul Terwilliger, University of WisconsinMadison terwilli@math.wisc.edu

2:00 p.m.
Asymptotic analysis of recurrence coefficients of "Todatype" orthogonal polynomials.
Diego Dominici*, SUNY New Paltz
(115033338) 
2:30 p.m.
The q=1 Hermite polynomials.
Mourad E. H. Ismail*, Department of Mathematics, University of Central Florida.
(115033387) 
3:00 p.m.
Some enumerative problems on alternating sign matrices.
Dennis Stanton*, School of Mathematics, University of Minnesota
(115005251) 
3:30 p.m.
More Precise Symmetric Descriptions for Properties of the AskeyWilson Polynomials and their Symmetric SubFamilies.
Howard S. Cohl*, Applied and Computational Mathematics Division, NIST
Roberto S. CostasSantos, Departamento de Fisica y Matematicas, Universidad de Alcala, Alcala de Henares, Madrid, Spain
(11503317) 
4:00 p.m.
Tridiagonal pairs of Racah type and the universal enveloping algebra $U(\mathfrak{sl}_2)$.
Sarah BocktingConrad*, DePaul University
(115016427) 
4:30 p.m.
The LaplaceBeltrami operator on the embedded torus.
Hans W Volkmer*, University of WisconsinMilwaukee
(115034291)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Stochastic Partial Differential Equations and Related Fields, II
Room 374, Van Hise Hall
Organizers:
Igor Cialenco, Illinois Institute of Technology
Yu Gu, Carnegie Mellon University
HyunJung Kim, Illinois Institute of Technology hkim129@iit.edu

2:00 p.m.
Central limit theorems for spatial averages of the stochastic heat equation.
David Nualart*, Kansas University
(115060275) 
3:00 p.m.
KPZ equation correlations in time.
Ivan Corwin, Department of Mathematics, Columbia University
Promit Ghosal*, Department of Statistics, Columbia University.
Alan Hammond, Departments of Mathematics and Statistics, U.C. Berkeley.
(115060190) 
3:30 p.m.
Parabolic Anderson models large scale asymptotics.
Xia Chen*, Department of Mathematics, University of Tennessee
(115060217) 
4:00 p.m.
Local Nondeterminism and the Exact Modulus of Continuity for Stochastic Wave Equation.
Cheuk Yin Lee*, Michigan State University
Yimin Xiao, Michigan State University
(115060200) 
4:30 p.m.
Bayesian Estimations for Diagonalizable Bilinear SPDEs.
Ziteng Cheng, Illinois Institute of Technology
Igor Cialenco, Illinois Institute of Technology
Ruoting Gong*, Illinois Institute of Technology
(115060264)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Supergeometry, Poisson Brackets, and Homotopy Structures, II
Room 386, Van Hise Hall
Organizers:
Ekaterina Shemyakova, University of Toledo ekaterina.shemyakova@utoledo.edu
Theodore Voronov, University of Manchester

2:00 p.m.
Commutative subalgebras of Weyl algebras.
Emma Previato*, Boston University
(115016553) 
2:30 p.m.
Poisson geometry and invariant of noncommutative algebras.
Bach Nguyen*, Temple University
K. Trampel, Louisiana State University
M. Yakimov, Louisiana State University
(11501697) 
3:00 p.m.
Poisson Primes and Discriminants.
Bach Nguyen, Temple University
Kurt Trampel*, University of Notre Dame
Milen Yakimov, Louisiana State University
(115017580) 
3:30 p.m.
On the Integration Problem for Holomorphic Jacobi Manifolds.
Aissa Wade*, Penn State University
Luca Vitagliano, Universita Degli Studi di Salerno
(115053131) 
4:00 p.m.
Quantum Boson Algebra and Poisson Geometry of the Flag Variety.
Yu Li*, Department of Mathematics, University of Chicago
(115081565) 
4:30 p.m.
On the zeta function of the wonderful compactification.
Sam Evens*, University of Notre Dame
(115022530)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Topics in Graph Theory and Combinatorics, II
Room 575, Van Hise Hall
Organizers:
Songling Shan, Illinois State University sshan12@ilstu.edu
Papa Sissokho, Illinois State University

2:00 p.m.
Toughness and spanning trees in $K_4$minorfree graphs.
Mark Ellingham*, Vanderbilt University
Songling Shan, Illinois State University
Dong Ye, Middle Tennessee State University
Xiaoya Zha, Middle Tennessee State University
(115005151) 
2:30 p.m.
On the average degree of edge chromatic critical graphs.
Yan Cao*, Georgia State University
Guantao Chen, Georgia State University
(115005188) 
3:00 p.m.
Packing and Covering Directed Triangles.
Jessica McDonald*, Auburn University
Gregory J. Puleo, Auburn University
Craig Tennenhouse, University of New England
(115005109) 
3:30 p.m.
Diamond Linkage in Surface Triangulations.
Dan Cranston, Virginia Commonwealth University
Chris Stephens, Middle Tennessee State University
Dong Ye*, Middle Tennessee State University
Xiaoya Zha, Middle Tennessee State University
(115005520) 
4:00 p.m.
Sequence Characterization of Riordan Arrays and Its Applications.
TianXiao He*, Illinois Wesleyan University
(115005350) 
4:30 p.m.
The multicolor sizeRamsey number of powers of paths.
Jie Han*, University of Rhode Island
Matthew Jenssen, University of Oxford
Yoshiharu Kohayakawa, Universidade de São Paulo
Guilherme Oliveira Mota, Universidade Federal do ABC
Barnaby Roberts, London School of Economics
(115005176)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:20 p.m.
Special Session on Topology and Descriptive Set Theory, II
Room 579, Van Hise Hall
Organizers:
Tetsuya Ishiu, Miami University ishiut@miamioh.edu
Paul B. Larson, Miami University larsonpb@miamioh.edu

2:00 p.m.
Forcing axioms and the $G_\delta$ modification.
William ChenMertens, York University
Paul J Szeptycki*, York University
(115054447) 
2:30 p.m.
Abelian group actions and hypersmooth equivalence relations.
Michael R. Cotton*, University of North Texas
(115003104) 
3:00 p.m.
Dynamics and definable complexity.
Konstantinos A. Beros*, Miami University
(115003330) 
3:30 p.m.
Net weights of super HG butterflies.
Joan E. Hart*, University of Wisconsin Oshkosh
Kenneth Kunen, University of WisconsinMadison
(115054209) 
4:00 p.m.
Square properties and compactness.
Dima Sinapova*, University of Illinois at Chicago
(115003398)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Uncertainty Quantification Strategies for Physics Applications, II
Room 391, Van Hise Hall
Organizers:
Qin Li, University of WisconsinMadison qinli@math.wisc.edu
Tulin Kaman, University of Arkansas

2:00 p.m.
Fluorescence Ultrasound Modulated Optical Tomography in the Diffusive Regime.
Wei Li, Louisiana State University
Yang Yang*, Michigan State University
Yimin Zhong, University of California, Irvine
(115035272) 
2:30 p.m.
Uncertainty in Sequential Monte Carlo Estimates of TimeVarying Parameters.
Andrea Arnold*, Worcester Polytechnic Institute
(115065645) 
3:00 p.m.
Data assimilation with stochastic model reduction.
Fei Lu*, Johns Hopkins University
Alexandre J. Chorin, UC Berkeley
Xuemin Tu, University of Kansas
(115065219) 
3:30 p.m.
Convergence of Probability Densities using Approximate Models for Forward and Inverse Problems in Uncertainty Quantification.
Tim Wildey*, Sandia National Laboratories
Troy Butler, University of Colorado  Denver
John Jakeman, Sandia National Laboratories
(11506090) 
4:00 p.m.
A Nonlinear Conditional Gaussian Framework for Extreme Events Prediction, State Estimation and Uncertainty Quantification in Complex Dynamical System.
Nan Chen*, University of WisconsinMadison
Andrew Majda, Courant Institute of Mathematical Sciences, New York University
(115060245) 
4:30 p.m.
Structured random sketching for PDE inverse problems.
Ke Chen*, University of Texas, Austin
Qin Li, University of WisconsinMadison
Kit Newton, University of WisconsinMadison
Stephen Wright, University of WisconsinMadison
(115065253)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:50 p.m.
Special Session on Wave Phenomena in Fluids and Relativity, II
Room 222, Ingraham Hall
Organizers:
Sohrab Shahshahani, University of Massachusetts
Willie W.Y. Wong, Michigan State University wongwwy@math.msu.edu

2:00 p.m.
Stokes waves in a constant vorticity flow: peaking and fluid bubbles.
Vera Mikyoung Hur*, University of Illinois at UrbanaChampaign
(115035611) 
2:30 p.m.
Angled crested type water waves.
Siddhant Agrawal*, University of Massachusetts at Amherst
(115035192) 
3:00 p.m.
Rough solutions to the compressible Euler equations.
Marcelo M Disconzi*, Vanderbilt University
Chenyun Luo, Vanderbilt University
Giusy Mazzone, Queen's University (Canada)
Jared Speck, Vanderbilt University
(115035506) 
3:30 p.m.
The local wellposedness for a compressible, selfgravitating liquid with free boundary.
Daniel Ginsberg, Princeton University
Hans Lindblad, Johns Hopkins University
Chenyun Luo*, Vanderbilt University
(115035430) 
4:00 p.m.
On the Cauchy problem for the HallMHD equation.
InJee Jeong, Korea Institute for Advance Study
SungJin Oh*, UC Berkeley
(115035431) 
4:30 p.m.
On wellposedness of generalized Hallmagnetohydrodynamics.
Han Liu*, University of Illinois at Chicago
Mimi Dai, University of Illinois at Chicago
(115035407)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:40 p.m.
Special Session on Zero Forcing, Propagation, and Throttling, II
Room 583, Van Hise Hall
Organizers:
Josh Carlson, Williams College jc31@williams.edu
Nathan Warnberg, University of WisconsinLa Crosse nwarnberg@uwlax.edu

2:00 p.m.
Algorithms and heuristics for zero forcing.
Boris Brimkov*, Slippery Rock University
(115005133) 
2:30 p.m.
Leaky Zero Forcing, Theory and Computation of a New Zero Forcing Variation.
Shannon Dillman, United States Naval Academy
Franklin H. J. Kenter*, United States Naval Academy
(115005472) 
3:00 p.m.
Flexible and fast computation of zero forcing parameters.
Louis Deaett*, Quinnipiac University
Alexander Hutman, Quinnipiac University
(115005662) 
3:30 p.m.
Rigid linkage forcing.
Seth A Meyer*, St. Norbert College
(115015339) 
4:00 p.m.
On the $q$analogue of Zero Forcing.
Shaun Fallat*, University of Regina
(11500554)

2:00 p.m.

Saturday September 14, 2019, 2:00 p.m.4:25 p.m.
Contributed Paper Session on AMS Contributed Paper Session on Algebra, Geometry and Lie Theory
Room 355, Van Hise Hall

2:00 p.m.
Asymptotic behavior of sets of finite perimeter in metric measure spaces with controlled geometry.
Sylvester ErikssonBique, University of California, Los Angeles
James Gill, St. Louis University
Panu Lahti, Aalto University
Nageswari Shanmugalingam*, University of Cincinnati
(11504915) 
2:15 p.m.
TALK CANCELLED:Geometry of Asymptotically harmonic manifolds with minimal horospheres.
Hemangi M. Shah*, HarishChandra Research Institute
(1150534) 
2:30 p.m.
Group Classification of one Dimensional NonLinear Poisson Equation.
Muhammad Shabeer*, Qatar University
(11503425) 
2:45 p.m.
An Alternating Analogue of $U(\mathfrak{gl}_n)$ and Its Representations.
Erich C. Jauch*, Iowa State University
(115016535) 
3:00 p.m.
TALK CANCELLED:An introduction to a supersymmetric graph algebra.
Ashish K Srivastava*, Saint Louis University
Katherine Radler, Saint Louis University
(1150165) 
3:15 p.m.
TALK CANCELLED: Generalization Theory of Linear Algbera.
Christina Pospisil*, University of Massachusetts Boston
(1150156) 
3:30 p.m.
Minimal log discrepancies of determinantal varieties via jet schemes.
Devlin Mallory*, University of Michigan
(115014353) 
3:45 p.m.
Moduli space of instanton sheaves on Fano threefold $V_4$.
Xuqiang Qin*, Indiana University Bloomington
(115014478) 
4:00 p.m.
Polarizations of Powers of Maximal Ideals.
Ayah Almousa*, Cornell University
Gunnar Fløystad, University of Bergen
(115013305) 
4:15 p.m.
Toward Free Resolutions Over Scrolls.
Laura Felicia Matusevich, Texas A&M University
Aleksandra Sobieska*, Texas A&M University
(115013454)

2:00 p.m.

Saturday September 14, 2019, 2:30 p.m.3:50 p.m.
Special Session on Categorical GromovWitten Invariants and Mirror Symmetry, II
Room 390, Van Hise Hall
Organizers:
Andrei Caldararu, University of WisconsinMadison andreic@math.wisc.edu
Junwu Tu, University of MissouriColumbia and Shanghai Tech University

2:30 p.m.
Counting curves using the Fukaya category.
Sheel Ganatra*, University of Southern California
Timothy Perutz, University of Texas at Austin
Nick Sheridan, University of Edinburgh
(115053639) 
3:30 p.m.
Computation of categorical GromovWitten invariants for elliptic curves.
WengHim Cheung*, University of WisconsinMadison
(115014623)

2:30 p.m.

Saturday September 14, 2019, 2:30 p.m.4:50 p.m.
Special Session on Number Theory and Cryptography, II
Room 474, Van Hise Hall
Organizers:
Eric Bach, University of WisconsinMadison bach@cs.wisc.edu
Jon Sorenson, Butler University jsorenso@butler.edu

2:30 p.m.
An Algorithm and Estimates for the ErdősSelfridge Function.
Brianna E. M. Sorenson, Butler University
Jonathan P Sorenson*, Butler University
Jonathan Webster, Butler University
(115011326) 
3:00 p.m.
Discrete Gaussian Measures and New Bounds of the Smoothing Parameter for Lattices.
Z Zheng, Department of Computer Science and Technology, Tsinghua University, Beijing, China
C Zhao, Institute for Advanced Study, Tsinghua University, Beijing, China
G Xu*, Department of EE & CS, University of WisconsinMilwaukee, Milwaukee, WI
(115011390) 
3:30 p.m.
Break 
4:00 p.m.
Almost divisors.
Jeffrey C. Lagarias*, University of Michigan, Ann Arbor, MI 481091043
David Harry Richman, University of Michigan, Ann Arbor, MI 481091043
(115011500) 
4:30 p.m.
Dilated floor functions and their commutators.
Jeffrey C. Lagarias, University of Michigan
David Harry Richman*, University of Michigan
(115011304)

2:30 p.m.

Saturday September 14, 2019, 3:00 p.m.4:50 p.m.
Special Session on Applications of Algebra and Geometry, II
Room 483, Van Hise Hall
Organizers:
Shamgar Gurevich, University of WisconsinMadison
Jose Israel Rodriguez, University of WisconsinMadison jose@math.wisc.edu

3:00 p.m.
Voronoi Cells in Metric Algebraic Geometry of Plane Curves.
Madeleine Weinstein*, UC Berkeley
Madeline Brandt, UC Berkeley
(11501485) 
3:30 p.m.
Solving Sparse Decomposable Systems.
Taylor Brysiewicz, Texas A&M University
Jose Israel Rodriguez, University of Wisconsin
Frank Sottile*, Texas A&M University
Thomas Yahl, Texas A&M University
(115014306) 
4:00 p.m.
On Matrix ArithmeticGeometric Mean Inequality and Noncommutative Positivstellensatz.
Zehua Lai*, The University of Chicago, Committee on Computational and Applied Mathematics
(115015436) 
4:30 p.m.
Algebraic Methods in Power Engineering.
Julia Lindberg*, University of WisconsinMadison
Alisha Zachariah, University of WisconsinMadison
Nigel Boston, University of WisconsinMadison
Bernie Lesieutre, University of WisconsinMadison
(115014510)

3:00 p.m.

Saturday September 14, 2019, 5:15 p.m.6:15 p.m.
Erdős Memorial Lecture
Probability and combinatorics: hopping particles and Macdonald polynomials.
B10, Ingraham Hall
Lauren Williams*, Harvard University
(115005117) 
Saturday September 14, 2019, 6:45 p.m.8:00 p.m.
Reception
Gordon Dining and Event Center, 770 W. Dayton Street
Sunday September 15, 2019

Sunday September 15, 2019, 8:00 a.m.12:00 p.m.
Meeting Registration
Lobby, Van Hise Hall 
Sunday September 15, 2019, 8:00 a.m.12:00 p.m.
Exhibit and Book Sale
Room 140, Van Hise Hall 
Sunday September 15, 2019, 8:00 a.m.10:50 a.m.
Special Session on Algebraic and Geometric Combinatorics, III
Room 486, Van Hise Hall
Organizers:
Benjamin Braun, University of Kentucky
Marie Meyer, Lewis University
McCabe Olsen, Ohio State University olsen.149@osu.edu

8:00 a.m.
Hook shape crystals of type $A_{n}$.
Molly Lynch*, Hollins University
(115005246) 
8:30 a.m.
Derivatives of Schubert polynomials.
Zachary Hamaker, University of Michigan
Oliver Pechenik, University of Michigan
David E Speyer, University of Michigan
Anna Weigandt*, University of Michigan
(115005165) 
9:00 a.m.
KazhdanLusztig Immanants for $k$Positive Matrices.
Sunita Chepuri*, University of Minnesota
Melissa ShermanBennett, University of California  Berkeley
(115005664) 
9:30 a.m.
Complexity, combinatorial positivity, and Newton polytopes.
Anshul Adve, University of California, Los Angeles
Colleen Robichaux, Dept. of Mathematics, University of Illinois at UrbanaChampaign
Alexander Yong*, Dept. of Mathematics, University of Illinois at UrbanaChampaign
(115005160) 
10:00 a.m.
Wallcrossing phenomena for NewtonOkounkov bodies.
Laura Escobar*, Washington University in St. Louis
Megumi Harada, McMaster University
(115005216) 
10:30 a.m.
Higher Cycle Operations on Graphs.
Eric Edward Katz*, The Ohio State University
(115005488)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:50 a.m.
Special Session on Applications of Algebra and Geometry, III
Room 483, Van Hise Hall
Organizers:
Shamgar Gurevich, University of WisconsinMadison
Jose Israel Rodriguez, University of WisconsinMadison jose@math.wisc.edu

8:00 a.m.
Discussion 
8:30 a.m.
Invariant and TensorBased Approaches to CryoEM.
Joe Kileel*, Princeton University
(115015557) 
9:00 a.m.
Threading and Weaving Algebraic Fibers.
David Kahle*, Baylor University
Qida Ma, Baylor University
(115000485) 
9:30 a.m.
Toric degenerations, finite Khovanskii bases, and the Khovanksii homotopy.
Elise Walker*, Texas A&M University
Michael Burr, Clemson University
Frank Sottile, Texas A&M University
(115014363) 
10:00 a.m.
Mixed volumes of steadystate systems.
Elizabeth Gross*, University of Hawaii at Manoa
Cvetelina Hill, Georgia Institute of Technology
(115092573) 
10:30 a.m.
Computability of Rotation Sets for Dynamical Systems.
Michael Burr*, Clemson University
(115037678)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:40 a.m.
Special Session on Arithmetic of Shimura Varieties, III
Room 475, Van Hise Hall
Organizers:
Chao Li, Columbia University chaoli@math.columbia.edu
Solly Parenti, University of WisconsinMadison
Tonghai Yang, University of WisconsinMadison

8:00 a.m.
Canonical integral models of Shimura varieties.
Georgios Pappas*, Michigan State University
(115014112) 
9:00 a.m.
Irreducible components of Affine DeligneLusztig varieties.
Xuhua He, University of Maryland
Rong Zhou, IAS
Yihang Zhu*, Columbia University
(115011484) 
10:00 a.m.
Independence of $l$ for Frobenius conjugacy classes attached to abelian varieties.
Rong Zhou*, Institute for Advanced Study
(115011155)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:20 a.m.
Special Session on Association Schemes and Related Topics  in Celebration of J.D.H. Smith's 70th Birthday, III
Room 494, Van Hise Hall
Organizers:
Kenneth W. Johnson, Penn State University Abington kwj1@psu.edu
Sung Y. Song, Iowa State University sysong@iastate.edu

8:00 a.m.
& 
8:30 a.m.
The influence of Schur in algebraic combinatorics.
Kenneth W Johnson*, Penn State University Abington
(115005576) 
9:00 a.m.
On Schur Rings over Infinite Groups.
Andrew Misseldine*, Southern Utah University
Stephen P. Humphries, Brigham Young University
(11502042) 
9:30 a.m.
Schur Rings over Infinite Groups.
Stephen P. Humphries*, Brigham Young University
(11500541) 
10:00 a.m.
Association schemes are quotients of quasigroups.
Jonathan D.H. Smith*, Iowa State University
(11500538)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:20 a.m.
Special Session on Classical and Geophysical Fluid Dynamics: Modeling, Reduction and Simulation, III
Room 224, Ingraham Hall
Organizers:
Nan Chen, University of WisconsinMadison chennan@math.wisc.edu
Honghu Liu, Virginia Tech University

8:00 a.m.
Discussion 
8:30 a.m.
DataDriven Correction for Reduced Order Modeling of Nonlinear Systems.
Traian Iliescu*, Department of Mathematics, Virginia Tech
(115065166) 
9:00 a.m.
Parametric inference based model reduction for stochastic Burgers equations.
Fei Lu*, Johns Hopkins Univerisity
(115065218) 
9:30 a.m.
Error Analysis of Pressure Recovery for Proper Orthogonal Decomposition based Reduced Order Models of the Nonstationary NavierStokes Equations.
Michael Schneier*, University of Pittsburgh
Kiera Kean, University of Pittsburgh
(115065146) 
10:00 a.m.
A variational approach to closure of nonlinear dynamical systems.
Mickaël D. Chekroun, Department of Atmospheric and Oceanic Sciences and Institute of Geophysics and Planetary Physics, UCLA, USA
Honghu Liu*, Department of Mathematics, Virginia Tech, Blacksburg, Virginia 24061, USA
James C. McWilliams, Department of Atmospheric and Oceanic Sciences and Institute of Geophysics and Planetary Physics, UCLA, USA
(115035399)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:20 a.m.
Special Session on Combinatorial Algebraic Geometry, III
Room 479, Van Hise Hall
Organizers:
Juliette Bruce, University of WisconsinMadison juliette.bruce@math.wisc.edu
Daniel Erman, University of WisconsinMadison
Chris Eur, University of California Berkeley
Lily Silverstein, University of California Davis

8:00 a.m.
The Leray model of a matroid.
Christin Bibby, University of Michigan
Graham C Denham*, University of Westen Ontario
Eva Maria Feichtner, University of Bremen
(115005237) 
8:30 a.m.
Invariance Properties of Filtrations of Ideals Arising from Hierarchical Models.
Aida Maraj*, University of Kentucky
Uwe Nagel, University of Kentucky
(115013309) 
9:00 a.m.
On the tangent space to the Hilbert scheme of points in $\mathbb{P}^3$.
Ritvik Ramkumar, University of California, Berkeley
Alessio Sammartano*, University of Notre Dame
(115013240) 
9:30 a.m.
Coxeter submodular functions.
Federico Castillo*, University of Kansas
(115005571) 
10:00 a.m.
Discussion

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:50 a.m.
Special Session on Extremal Graph Theory, III
Room 491, Van Hise Hall
Organizers:
Józef Balogh, University of Illinois jobal@math.uiuc.edu
Bernard Lidický, Iowa State University

8:00 a.m.
Enumerative NordhausGaddum inequalities.
Deepak Bal, Montclair State University
Jonathan Cutler*, Montclair State University
(115005416) 
8:30 a.m.
The typical structure of Gallai colorings and their extremal graphs.
Lina Li*, Univerisity of Illinois at UrbanaChampaign
Jozsef Balogh, Univerisity of Illinois at UrbanaChampaign
(115005323) 
9:00 a.m.
Local Versions of List EdgeColoring.
Marthe Bonamy, Universite de Bordeaux
Michelle Delcourt*, Ryerson University
Richard Lang, University of Waterloo
Luke Postle, University of Waterloo
(115005492) 
9:30 a.m.
On Local and MAD Versions of Reed's Conjecture.
Thomas Kelly, University of Waterloo
Luke Postle*, University of Waterloo
(115005455) 
10:00 a.m.
Clique colouring of binomial random graphs and geometric graphs.
Pawel Pralat*, Ryerson University
Colin McDiarmid, Oxford University
Dieter Mitsche, Universite de Nice SophiaAntipolis
(115005302) 
10:30 a.m.
Monochromatic components.
Louis DeBiasio*, Miami University
(115005233)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:50 a.m.
Special Session on Floer Homology in Dimensions 3 and 4, III
Room 395, Van Hise Hall
Organizers:
Jianfeng Lin, UC San Diego
Christopher Scaduto, University of Miami cscaduto@scgp.stonybrook.edu

8:00 a.m.
On the KronheimerMrowka concordance invariant.
Sherry Gong*, UCLA
(115058490) 
8:30 a.m.
Homology Cobordisms and Handle Decomposition.
Aliakbar Daemi*, Washington University
Tye Lidman, North Carolina State University
C.M. Michael Wong, Louisiana State University
David Shea VelaVick, Louisiana State University
(115057655) 
9:00 a.m.
Toroidal homology spheres have irreducible SU(2) representations.
Tye Lidman*, North Carolina State University
Juanita PinzonCaicedo, Max Planck Institute/University of Notre Dame
Raphael Zentner, University of Regensburg
(115057376) 
9:30 a.m.
Equivariant instanton homology and Lie group cohomology.
S Michael Miller*, Columbia University
(115057443) 
10:00 a.m.
Instantons and Lspace surgeries.
John Baldwin*, Boston College
Steven Sivek, Imperial College
(115057600) 
10:30 a.m.
Equivariant Lagrangian Floer homology and extended Field theory.
Guillem Cazassus*, Indiana University Bloomington
(115057582)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:50 a.m.
Special Session on Geometry and Topology in Arithmetic, III
Room 383, Van Hise Hall
Organizers:
Rachel Davis, University of WisconsinMadison rachel.davis@wisc.edu

8:00 a.m.
TALK CANCELLED: Algorithms for the topology of arithmetic groups and Hecke actions.
Michael Lipnowski*, McGill University
Aurel Page, Mathematical Institute of Bordeaux
(115011329) 
9:00 a.m.
Ramification of the Hilbert eigenvariety at classical points.
ChiYun Hsu*, University of California, Los Angeles
(115011539) 
9:30 a.m.
Integrality of modular representations of modular tensor categories.
Luca Candelori*, Wayne State University
Yilong Wang, Louisiana State University
Richard Ng, Louisiana State University
(115018591) 
10:00 a.m.
Groups which act with almost all signatures.
Mariela Carvacho, Universidad Técnica Federico Santa María
Jen Paulhus*, Grinnell College
Tom Tucker, Colgate University
Aaron Wootton, The University of Portland
(115020385) 
10:30 a.m.
Applications of distributions of primes to separability in nilpotent groups.
Mark Pengitore*, Ohio State University
(115020106)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:40 a.m.
Special Session on Geometry and Topology of Singularities, III
Room 394, Van Hise Hall
Organizers:
Laurentiu Maxim, University of WisconsinMadison maxim@math.wisc.edu

8:00 a.m.
BNSRinvariants and tropical varieties.
Alexander I. Suciu*, Department of Mathematics, Northeastern University
(115055375) 
9:00 a.m.
On Maximal order poles of generalized topological zeta functions.
Manuel Gonzalez Villa*, CIMAT, AC
Enrique Artal Bartolo, Universidad de Zaragoza
(115014429) 
10:00 a.m.
SolomonTerao algebra of hyperplane arrangements and singularities.
Takuro Abe*, Kyushu University
(11501334)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:50 a.m.
Special Session on Hall Algebras, Cluster Algebras and Representation Theory, III
Room 487, Van Hise Hall
Organizers:
Xueqing Chen, UWWhitewater chenx@uww.edu
Yiqiang Li, SUNY at Buffalo

8:00 a.m.
A geometric qcharacter formula for snake modules.
Bing Duan, Lanzhou University
Ralf Schiffler*, University of Connecticut
(115016631) 
8:30 a.m.
Counting tropical curves by quiver representation.
ManWai Cheung*, Harvard University
Travis Mandel, University of Edinburgh
(11501694) 
9:00 a.m.
Cluster Structures and Discriminants.
Bach Nguyen, Temple University
Kurt Trampel*, University of Notre Dame
Milen Yakimov, Louisiana State University
(115016581) 
9:30 a.m.
Geometric description of Cvectors and Lösungen.
KyuHwan Lee, University of Connecticut
Kyungyong Lee*, University of Alabama
(115020224) 
10:00 a.m.
Frieze varieties are invariant under Coxeter mutation.
Kiyoshi Igusa*, Brandeis University
Ralf Schiffler, University of Connecticut
(115016374) 
10:30 a.m.
Infinite Friezes.
Karin Baur, Universität Graz, Austria
Ilke Canakci, University of Newcastle, UK
Karin Jacobsen, NTNU, Trondheim, Norway
Maitreyee Kulkarni, IAS
Gordana G Todorov*, Northeastern University
(115016410)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:40 a.m.
Special Session on Homological and Characteristic p > 0 Methods in Commutative Algebra, III
Room 155, Van Hise Hall
Organizers:
Michael Brown, University of WisconsinMadison mkbrown5@wisc.edu
Eric Canton, University of Michigan

8:00 a.m.
Smallness properties and locally complete intersections.
Janina C. Letz*, University of Utah
(11501840) 
9:00 a.m.
Generalizations of Ulrich Modules and Rigidity Theorems.
Olgur Celikbas, West Virginia University
Justin Lyle*, University of Kansas
Ryo Takahashi, Nagoya University
Yongwei Yao, Georgia State University
(115013532) 
10:00 a.m.
Syzygies of Determinantal Thickenings via General Linear Lie Superalgebra Representations.
Hang Huang*, University of Wisconsin Madison
(11501352)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:40 a.m.
Special Session on Lie Representation Theory, III
Room 490, Van Hise Hall
Organizers:
Mark Colarusso, University of South Alabama
Michael Lau, Université Laval Michael.Lau@mat.ulaval.ca
Matt Ondrus, Weber State University

8:00 a.m.
Hessenberg and Schubert varieties.
Laura Escobar, Washington University in St. Louis
Martha E. Precup*, Washington University in St. Louis
John Shareshian, Washington University in St. Louis
(115005448) 
8:30 a.m.
The GelfandZeitlin integrable system.
Sam Evens*, University of Notre Dame
(115022531) 
9:30 a.m.
On the Classification of Quantum Groups by Descent and Cohomology.
Seidon Alsaody*, University of Alberta
Arturo Pianzola, University of Alberta
(115017456) 
10:00 a.m.
Associated varieties of highest weight HarishChandra modules.
Zhanqiang Bai, Soochow University, Suzhou, China
Markus Hunziker*, Baylor University
Roger Zierau, Oklahoma State University
(115022461)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:40 a.m.
Special Session on Model Theory, III
Room 587, Van Hise Hall
Organizers:
Uri Andrews, University of WisconsinMadison andrews@math.wisc.edu
Omer Mermelstein, University of WisconsinMadison

8:00 a.m.
On strongly minimal Steiner systems: flat geometries, universal algebra, and combinatorics.
John T. Baldwin*, University of Illinois at Chicago
(115003364) 
8:30 a.m.
Classifying expansions of the real field by complex subgroups.
Erin Caulfield*, McMaster University
(115003324) 
9:30 a.m.
Strongly minimal sets in continuous logic.
James Hanson*, University of WisconsinMadison
(115003259) 
10:00 a.m.
Counting siblings.
Michael C. Laskowski*, University of Maryland
(115003174)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:40 a.m.
Special Session on Recent Work in the Philosophy of Mathematics, III
Room 578, Van Hise Hall
Organizers:
Thomas Drucker, University of WisconsinWhitewater druckert@uww.edu
Dan Sloughter, Furman University

8:00 a.m.
Frege and What Philosophy of Mathematics Can(not) Do.
Patricia A Blanchette*, Philosophy Department, University of Notre Dame
(115000199) 
9:00 a.m.
Some questions for the philosophy of mathematics.
Curtis Franks*, Notre Dame
(115000597) 
10:00 a.m.
Model Theory and the Philosophy of Mathematics.
Timothy Bays*, Department of Philosophy, University of Notre Dam
(115000523)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:50 a.m.
Special Session on Relations Between the History and Pedagogy of Mathematics, III
Room 574, Van Hise Hall
Organizers:
Emily T. Hamilton, University of Massachusetts, Amherst
Brit Shields, University of Pennsylvania bshields@seas.upenn.edu
Rebecca Vinsonhaler, University of Texas, Austin

8:00 a.m.
Plimpton 322:Rosetta StoneA Summary.
Donald A. Sokol*, Burr Ridge Illinois
(115001537) 
8:30 a.m.
Archimedes' On Spirals.
Colin B McKinney*, Wabash College
(115001538) 
9:00 a.m.
The Varignon Theorem: Linking History and Pedagogy through Technology and Problem Posing.
Jose N Contreras*, Ball State University
(115097658) 
9:30 a.m.
Mathematical verses in Nepali.
Deepak Basyal*, University of WisconsinMilwaukee
(115001193) 
10:00 a.m.
Major Influences on U.S. School Mathematics in the Nineteenth Century.
Nerida F Ellerton*, Illinois State University
McKenzie A Clements, Illinois State University
(115097560) 
10:30 a.m.
The Influence of Mathematicians on School Mathematics, 16731973.
McKenzie A Clements*, Illinois State University
Nerida F Ellerton, Illinois State University
(115001562)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:50 a.m.
Special Session on Special Functions and Orthogonal Polynomials, III
Room 495, Van Hise Hall
Organizers:
Sarah Post, University of Hawai`i at Manoa
Paul Terwilliger, University of WisconsinMadison terwilli@math.wisc.edu

8:00 a.m.
The alternating PBW basis for the positive part of $U_q(\widehat{\mathfrak{sl}}_2)$.
Paul M Terwilliger*, Math Department, U. WisconsinMadison
(115016163) 
8:30 a.m.
A higher rank extension of the AskeyWilson Algebra.
Sarah Post, University of Hawai'i at Manoa
Anthony Walter*, University of Hawai'i at Manoa
(115033661) 
9:00 a.m.
Two dual descriptions of the AskeyWilson algebra $AW(n)$.
Luc Frappat, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS
Julien Gaboriaud*, CRM, Université de Montréal
Eric Ragoucy, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS
Luc Vinet, CRM, Université de Montréal
(115033564) 
9:30 a.m.
How to recognize a Leonard pair.
Edward Hanson*, University of WisconsinMadison
(115015423) 
10:00 a.m.
Distanceregular graphs and degenerate DAHAs.
JaeHo Lee*, University of North Florida
(115033555) 
10:30 a.m.
On the Terwilliger algebras of regular tournaments.
Allen Herman*, University of Regina
(115005286)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:40 a.m.
Special Session on Supergeometry, Poisson Brackets, and Homotopy Structures, III
Room 386, Van Hise Hall
Organizers:
Ekaterina Shemyakova, University of Toledo ekaterina.shemyakova@utoledo.edu
Theodore Voronov, University of Manchester

8:00 a.m.
Plethora of cluster structures on GL(n).
Misha Gekhtman*, University of Notre Dame
(115022265) 
9:00 a.m.
Supersymmetric cluster algebras.
Ashish K Srivastava*, Saint Louis University
(11501612) 
9:30 a.m.
On super Plücker embedding (and possibly towards super cluster algebras).
Ekaterina Shemyakova*, University of Toledo
Theodore Voronov, University of Manchester, UK
(115053445) 
10:00 a.m.
Cluster algebras with Grassmann variables.
Michael Shapiro*, Michigan State University
V Ovsienko, Laboratoire de Mathématiques de Reims du CNRS
(115016141)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:50 a.m.
Special Session on Topics in Graph Theory and Combinatorics, III
Room 575, Van Hise Hall
Organizers:
Songling Shan, Illinois State University sshan12@ilstu.edu
Papa Sissokho, Illinois State University

8:00 a.m.
Connectivity conditions for a graph to be $K_4$linked and diamondlinked.
Runrun Liu, Central China Normal University
Martin Rolek, College of William & Mary
Gexin Yu*, College of William & Mary
(115005463) 
8:30 a.m.
Connected Fair Detachments of Graphs and Hypergraphs.
Amin Bahmanian*, Illinois State University
(115005378) 
9:00 a.m.
Toughness in pseudorandom graphs.
Xiaofeng Gu*, University of West Georgia
(115005368) 
9:30 a.m.
$\mathbb{Z}_{k}$antimagic labelings of Hamiltonian graphs.
Dan Roberts*, Illinois Wesleyan University
Ugur Odabasi, Istanbul University
Richard Low, San Jose State University
(115005284) 
10:00 a.m.
Defective DPcolorings of sparse multigraphs.
Yifan Jing, University of Illinois at UrbanaChampaign
Alexandr Kostochka, University of Illinois at UrbanaChampaign
Fuhong Ma*, Shandong University
Pongpat Sittitrai, Khon Kean University
Jingwei Xu, University of Illinois at UrbanaChampaign
(115005248) 
10:30 a.m.
Realization Problems for Hypergraphic Sequences.
Michael Ferrara, University of Colorado Denver
Nathan Graber*, University of Colorado Denver
Paul Wenger, Rochester Institute of Technology
(115005643)

8:00 a.m.

Sunday September 15, 2019, 8:00 a.m.10:40 a.m.
Special Session on Zero Forcing, Propagation, and Throttling, III
Room 583, Van Hise Hall
Organizers:
Josh Carlson, Williams College jmsdg@iastate.edu
Nathan Warnberg, University of WisconsinLa Crosse nwarnberg@uwlax.edu

8:00 a.m.
Throttling for the Game of Cops and Robbers on Graphs.
Anthony Bonato, Ryerson University
Jane Breen, Ontario Tech University
Boris Brimkov, Slippery Rock University
Joshua Carlson, Williams College
Sean English, University of Illinois UrbanaChampaign
Jesse Geneson, Iowa State University
Leslie Hogben, Iowa State University, American Institute of Mathematics
Katherine Perry*, Soka University of America
Carolyn Reinhart, Iowa State University
(115005610) 
8:30 a.m.
Cop throttling number: Bounds, values, and variants.
Anthony Bonato, Ryerson University
Jane Breen, University of Ontario Institute of Technology
Boris Brimkov, Slippery Rock University
Joshua Carlson, Williams College
Sean English, Ryerson University
Jesse Geneson, Iowa State Univsersity
Leslie Hogben, Iowa State University
K. E. Perry, Soka University of America
Carolyn Reinhart*, Iowa State University
(115005496) 
9:00 a.m.
Throttling for the Cop versus Robber Game.
A Bonato, Ryerson University
J Breen, Iowa State University
B Brimkov, Rice University
J Carlson, Iowa State University
S English, Ryerson University
J Geneson*, Iowa State University
L Hogben, Iowa State University
K Perry, University of Denver
C Reinhart, Iowa State University
(115005136) 
9:30 a.m.
Probabilistic Zombies and Survivors and Kemeny's Constant.
Kate Lorenzen*, Iowa State University (Ames, IA, US)
(115005395) 
10:00 a.m.
Propagation and throttling for zero forcing, power domination, and Cops & Robbers.
Leslie Hogben*, Iowa State University and American Institute of Mathematics
(115005123)

8:00 a.m.

Sunday September 15, 2019, 8:30 a.m.10:50 a.m.
Special Session on Analysis and Probability on Metric Spaces and Fractals, III
Room 22, Ingraham Hall
Organizers:
Guy C. David, Ball State University gcdavid@bsu.edu
John Dever, Bowling Green State University

8:30 a.m.
Characterization of Quasiconformal mappings in terms of modulus of families of sets of finite perimeter.
Nageswari Shanmugalingam*, University of Cincinnati
Rebekah Jones, University of Cincinnati
Panu Lahti, University of Augsburg, Germany
(115030122) 
9:30 a.m.
Hölder parameterization of BedfordMcMullen carpets and connected IFS.
Matthew Badger*, University of Connecticut
(115028107) 
10:00 a.m.
BiLipschitz embeddings of Heisenberg submanifolds into Euclidean space.
Vasileios Chousionis, University of Connecticut
Sean Li, University of Connecticut
Vyron Vellis, University of Tennessee
Scott Zimmerman*, University of Connecticut
(115053252) 
10:30 a.m.
Rectifiability of Doubling Measures in Hilbert Space.
Lisa Naples*, University of Connecticut
(115028202)

8:30 a.m.

Sunday September 15, 2019, 8:30 a.m.10:50 a.m.
Special Session on Automorphic Forms and LFunctions, III
Room 482, Van Hise Hall
Organizers:
Simon Marshall, University of WisconsinMadison marshall@math.wisc.edu
Ruixiang Zhang, University of WisconsinMadison

8:30 a.m.
Moments of cubic $L$functions over function fields.
Chantal David, Concordia University
Alexandra Florea*, Columbia University
Matilde Lalin, University of Montreal
(11501168) 
9:30 a.m.
Simple $\delta$methods and subconvexity.
Roman Holowinsky*, The Ohio State University
(115011285) 
10:00 a.m.
Mean values and subconvexity results for a degree 8 Euler product.
Maria Monica Nastasescu*, Northwestern University
Jeff Hoffstein, Brown University
Min Lee, University of Bristol
(115011118) 
10:30 a.m.
Bounding the dimension of a joint eigenspace of Laplacian and finitely many Hecke operators.
Junehyuk Jung*, Texas A & M University
(11501114)

8:30 a.m.

Sunday September 15, 2019, 8:30 a.m.10:50 a.m.
Special Session on Commutative Algebra: in Celebration of the 150th Birthday of Roger and Sylvia Wiegand, III
Room 114, Van Hise Hall
Organizers:
Nicholas Baeth, Franklin & Marshall College
Graham Leuschke, Syracuse University gjleusch@syr.edu

8:30 a.m.
Uncountable excellent regular local rings with countable spectra.
Susan Loepp*, Williams College
Anya Michaelsen, University of California, Berkeley
(115013307) 
9:00 a.m.
Reducing Invariants and total reflexivity.
Olgur Celikbas*, West Virginia University
Tokuji Araya, Okayama University of Science
(115013156) 
9:30 a.m.
Annihilator of the first Koszul homology.
Janet Striuli*, Fairfield University/ NSF
Claudia Miller, Syracuse University
Hamidreza Rahmati, University of LincolnNebraska
(115013235) 
10:00 a.m.
Monomial ideals whose powers have predicted decreasing numbers of associated primes.
Irena Swanson*, Reed College
Sarah Jo Weinstein, California
(115013238) 
10:30 a.m.
Sets of lengths of factorizations of integervalued polynomials on Dedekind domains with infinitely many maximal ideals all of them of finite index.
Sophie Frisch, Graz University of Technology
Sarah Nakato, Graz University of Technology
Roswitha Rissner*, AlpenAdriaUniversität Klagenfurt
(115013308)

8:30 a.m.

Sunday September 15, 2019, 8:30 a.m.9:50 a.m.
Special Session on Computability Theory in Honor of Steffen Lempp's 60th Birthday, III
Room 594, Van Hise Hall
Organizers:
Joseph S. Miller, University of WisconsinMadison
Noah D. Schweber, University of WisconsinMadison
Mariya I. Soskova, University of WisconsinMadison msoskova@math.wisc.edu

8:30 a.m.
Interpretations with and without parameters.
Rachael Alvir, University of Notre Dame
Wesley Calvert, Southern Illinois University
Valentina Harizanov, George Washington University
Julia Knight*, University of Notre Dame
Grant Goodman, University of Notre Dame
Russell Miller, CUNY
Andrey Morozov, Sobolev Institute and Novosibirsk State University
Alexandra Soskova, Sofia University
Rose Weisshaar, University of Pennsylvania
(115003370) 
9:00 a.m.
Degrees of transcendence bases of computable fields.
Iskander Sh. Kalimullin, Kazan Federal University
Russell Miller*, Queens College & CUNY Graduate Center
Hans Schoutens, NYC College of Technology & CUNY Graduate Center
(115003207) 
9:30 a.m.
Primitive recursive structures and copyable structures.
Iskander Shagitovich Kalimullin*, Kazan Federal University
(115003507)

8:30 a.m.

Sunday September 15, 2019, 8:30 a.m.10:50 a.m.
Special Session on Connections between Noncommutative Algebra and Algebraic Geometry, III
Room 478, Van Hise Hall
Organizers:
Jason Gaddis, Miami University gaddisj@miamioh.edu
Dennis Keeler, Miami University

8:30 a.m.
Differential graded algebra over quotients of skew polynomial rings by normal elements.
Luigi Ferraro, Wake Forest University
W. Frank Moore*, Wake Forest University
(115016521) 
9:00 a.m.
Resolutions for Ore Extensions of Truncated Polynomial Rings.
D McPhate*, Texas A&M
(115018420) 
9:30 a.m.
Actions of quantum linear spaces on quantum algebras.
Zachary K Cline*, Bucknell University
Jason Gaddis, Miami University
(115016656) 
10:00 a.m.
Finite generation of cohomology and support variety theory.
Van C. Nguyen*, United States Naval Academy
(115016317) 
10:30 a.m.
Normality in Connected Hopf Algebras.
Daniel Yee*, Bradley University/mtgperinst>
(115016208)

8:30 a.m.

Sunday September 15, 2019, 8:30 a.m.10:20 a.m.
Special Session on Homotopy Theory, III
Room 387, Van Hise Hall
Organizers:
Gabe AngeliniKnoll, Michigan State University
Teena Gerhardt, Michigan State University teena@math.msu.edu
Bertrand Guillou, University of Kentucky

8:30 a.m.
Topological CoHochschild Homology Computations.
Sarah Klanderman*, Michigan State University
(115055263) 
9:00 a.m.
The Loday Construction and the Reduced Higher Topological Hochschild Homology of ${\bf Z}/p^m$.
Irina Bobkova, Texas A&M University
Eva Höning, Max Planck Institut Bonn
Ayelet Lindenstrauss*, Indiana University
Kate Poirier, New York City College of Technology CUNY
Birgit Richter, Universität Hamburg
Inna Zakharevich, Cornell University
(115055411) 
10:00 a.m.
Periodic Points: Algebraic Invariants and their Realizability.
Shane Clark*, University of Kentucky
(115055494)

8:30 a.m.

Sunday September 15, 2019, 8:30 a.m.10:50 a.m.
Special Session on Recent Developments in Harmonic Analysis, III
Room 375, Van Hise Hall
Organizers:
Theresa Anderson, Purdue University
Joris Roos, University of WisconsinMadison jroos@math.wisc.edu

8:30 a.m.
Discussion 
9:00 a.m.
On some singular BrascampLieb integrals.
Polona Durcik*, Caltech
(115042621) 
9:30 a.m.
Distributions with Decay and Restriction Problems.
Gustavo Hoepfner, Federal University of São Carlos
Andrew S Raich*, University of Arkansas
(11504229) 
10:00 a.m.
$L^p$ Dirichlet problem for second order elliptic operators having a BMO antisymmetric part.
Steve Hofmann, University of Missouri
Linhan Li*, University of Minnesota
Svitlana Mayboroda, University of Minnesota
Jill Pipher, Brown University
(115035396) 
10:30 a.m.
Bilinear Hilbert transform along general polynomials curves.
Alejandra Gaitan*, Purdue University
(115042673)

8:30 a.m.

Sunday September 15, 2019, 8:30 a.m.10:50 a.m.
Special Session on Recent Trends in the Mathematics of Data, III
Room 104, Van Hise Hall
Organizers:
Sebastien Roch, University of WisconsinMadison roch@math.wisc.edu
David Sivakoff, Ohio State University
Joseph Watkins, University of Arizona

8:30 a.m.
Clustering small datasets in highdimension using random projection.
Mireille Boutin*, Purdue University
(115060120) 
9:00 a.m.
Learning nearest neighbor graphs from noisy distance samples.
Blake J Mason*, University of Wisconsin  Madison
Ardhendu Tripathy, University of Wisconsin  Madison
Robert Nowak, University of Wisconsin  Madison
(115062477) 
9:30 a.m.
MultiLevel Graph Spanners.
Reyan Ahmed, University of Arizona
Faryad Darabi Sahneh, University of Arizona
Keaton Hamm*, University of Arizona
Stephen Kobourov, University of Arizona
Mohammad Latifi Jebelli, University of Arizona
Richard Spence, University of Arizona
(115005172) 
10:00 a.m.
Is Manifold Learning for toy data only?
Marina Meila*, University of Washington
Samson Koelle, University of Washington
Dominique PerraultJoncas, Google
James McQueen, Amazon.com
Yuchia Chen, University of Washington
Hanyu Zhang, University of Washington
Jacob VanderPlas, Google
Zhongyue Zhang, Seattle, WA
(115053663) 
10:30 a.m.
Discussion

8:30 a.m.

Sunday September 15, 2019, 8:30 a.m.10:50 a.m.
Special Session on Several Complex Variables, III
Room 379, Van Hise Hall
Organizers:
Hanlong Fang, University of WisconsinMadison
Xianghong Gong, University of WisconsinMadison gong@math.wisc.edu

8:30 a.m.
Involutive structures and harmonic maps.
László Lempert*, Purdue University
(115053303) 
9:00 a.m.
New solution of a problem of Kolmogorov on width asymptotics in holomorphic function spaces.
Stéphanie Nivoche*, Laboratoire J.A. Dieudonné, Université Côte d'Azur, France
Oscar Bandtlow, School of Mathematical Sciences, Queen Mary University of London, UK
(115032169) 
9:30 a.m.
Extending CR functions from codimension 2 CR singular manifolds in 3 dimensions.
Jiri Lebl*, Oklahoma State University
Alan Noell, Oklahoma State University
Sivaguru Ravisankar, Tata Institute of Fundamental Research, Centre for Applicable Mathematics
(11503271) 
10:00 a.m.
Blaschke decompositions on weighted Hardy spaces.
Stephen D Farnham*, Syracuse University Department of Mathematics
(115030205) 
10:30 a.m.
Embeddability and deformations of compact, strictly pseudoconvex, threedimensional CR manifolds.
Peter Ebenfelt*, University of California at San Diego
Sean Curry, University of California at Davis
(115032636)

8:30 a.m.

Sunday September 15, 2019, 8:30 a.m.10:50 a.m.
Special Session on Stochastic Partial Differential Equations and Related Fields, III
Room 374, Van Hise Hall
Organizers:
Igor Cialenco, Illinois Institute of Technology
Yu Gu, Carnegie Mellon University
HyunJung Kim, Illinois Institute of Technology hkim129@iit.edu

8:30 a.m.
Spatial Ergodicity of Stochastic Partial Differential Equations via a Poincaretype Inequality.
Davar Khoshnevisan*, University of Utah, Department of Mathematics
Le Chen, University of Nevada, Las Vegas
Jingyu Huang, University of Birmingham
David Nualart, University of Kansas
(11506091) 
9:30 a.m.
Moment estimates for some renormalized parabolic Anderson models.
Cheng Ouyang*, University of Illinois at Chicago
(115060129) 
10:00 a.m.
Stochastic quantization of gauge theories.
Ajay Chandra, Imperial College London
Ilya Chevyrev, University of Oxford
Martin Hairer, Imperial College London
Hao Shen*, University of WisconsinMadison
(115060230) 
10:30 a.m.
Anomalous diffusion in one and two dimensional combs.
Samuel C Cohn, Pittsburgh, PA
Gautam Iyer*, Carnegie Mellon University
James Nolen, Duke University
Robert Pego, Carnegie Mellon University
(115060613)

8:30 a.m.

Sunday September 15, 2019, 8:30 a.m.10:50 a.m.
Special Session on Topology and Descriptive Set Theory, III
Room 579, Van Hise Hall
Organizers:
Tetsuya Ishiu, Miami University ishiut@miamioh.edu
Paul B. Larson, Miami University larsonpb@miamioh.edu

8:30 a.m.
Topological dynamics via combinatorics.
Dana Bartosova*, University of Florida
(115003599) 
9:00 a.m.
Orbit equivalence relations of some classes of nonlocally compact Polish groups.
Alexander S. Kechris, California Institute of Technology
Maciej Malicki, Warsaw School of Economics
Aristotelis Panagiotopoulos, California Institute of Technology
Joseph Zielinski*, Chicago, Illinois
(115003384) 
9:30 a.m.
Exploring different versions of the SemiOpen Coloring Axiom (SOCA).
Ivan Ongay Valverde*, University of Wisconsin  Madison
(115003320) 
10:00 a.m.
Using Games to Connect Covering Properties of a Space to Convergence Properties of Its Continuous Functions.
Jared Kenneth Holshouser*, The University of South Alabama
(115054132) 
10:30 a.m.
Borel partitions of a space of Rado graphs are Ramsey.
Natasha Dobrinen*, University of Denver
(115003273)

8:30 a.m.

Sunday September 15, 2019, 8:30 a.m.10:50 a.m.
Special Session on Wave Phenomena in Fluids and Relativity, III
Room 222, Ingraham Hall
Organizers:
Sohrab Shahshahani, University of Massachusetts
Willie W.Y. Wong, Michigan State University wongwwy@math.msu.edu

8:30 a.m.
Perturbations of Null Hypersurfaces in Schwarzschild Spacetime.
Pengyu Le*, Unversity of Michigan
(115053499) 
9:00 a.m.
Global stability of some totally geodesic maps.
Leonardo Enrique Abbrescia*, Michigan State University
Yuan Chen, Michigan State University
(115035315) 
9:30 a.m.
Boundedness of the Conformal Hyperboloidal Energy for a waveKleinGordon Model.
Jesus R Oliver*, California State University East Bay
Philippe LeFloch, Laboratoire JacquesLouis Lions, Sorbonne Universite
(115083124) 
10:00 a.m.
The linear stability of ReissnerNordström spacetime.
Elena Giorgi*, Princeton University
(11503586) 
10:30 a.m.
Stability and instability of the ReissnerNordström Cauchy horizon for the Einstein equations coupled with a massive and charged scalar field.
Maxime Van de Moortel*, Princeton University
(115035606)

8:30 a.m.

Sunday September 15, 2019, 9:00 a.m.10:40 a.m.
Special Session on Categorical GromovWitten Invariants and Mirror Symmetry, III
Room 390, Van Hise Hall
Organizers:
Andrei Caldararu, University of WisconsinMadison andreic@math.wisc.edu
Junwu Tu, University of MissouriColumbia and Shanghai Tech University

9:00 a.m.
Categorical GromovWitten invariants: a computable definition.
Andrei H Caldararu*, University of WisconsinMadison
Junwu Tu, Shanghai Tech University, Shanghai, China
(115018593) 
10:00 a.m.
Categorical Saito Theory.
Junwu Tu*, ShanghaiTech university, Institute of Mathematical Sciences
(115018460)

9:00 a.m.

Sunday September 15, 2019, 9:00 a.m.10:50 a.m.
Special Session on Connecting Network Structure and Behavior of Biological Interaction Systems, III
Room 19, Ingraham Hall
Organizers:
David Anderson, University of WisconsinMadison
Gheorghe Craciun, University of WisconsinMadison craciun@math.wisc.edu
Abhishek Deshpande, University of WisconsinMadison

9:00 a.m.
Oscillations in a Mixed Network Mechanism.
Maya Mincheva*, Northern Illinois University
(115092226) 
9:30 a.m.
On the existence of Hopf bifurcations in the double futile cycle.
Carsten Conradi*, HTW Berlin, Life Science Engineering
(115092577) 
10:00 a.m.
Minimal invariant regions and globally attracting regions for toric differential inclusions.
Yida Ding*, University of Wisconsin Madison
Gheorghe Craciun, University of Wisconsin Madison
(115092269) 
10:30 a.m.
Prevalence of deficiency zero reaction networks.
Tung D Nguyen*, University of Wisconsin Madison
David F Anderson, University of Wisconsin Madison
(115060362)

9:00 a.m.

Sunday September 15, 2019, 9:00 a.m.10:40 a.m.
Special Session on Hodge Theory in Honor of Donu Arapura's 60th Birthday, III
Room 399, Van Hise Hall
Organizers:
Ajneet Dhillon, University of Western Ontario
Kenji Matsuki, Purdue University
Deepam Patel, Purdue University
Botong Wang, University of WisconsinMadison wang@math.wisc.edu

9:00 a.m.
On the parametric variation of the solution spaces of an $A$hypergeometric system.
Christine Berkesch*, University of Minnesota
(115014482) 
10:00 a.m.
Metabelian Galois Representations.
Edray Herber Goins*, Pomona College
(11501435)

9:00 a.m.

Sunday September 15, 2019, 9:00 a.m.10:55 a.m.
Contributed Paper Session on AMS Contributed Paper Session on Combinatorics, Functions, and Logic
Room 355, Van Hise Hall

9:00 a.m.
TALK CANCELLED:Is Lojasiewicz gradient inequality sharp?
Yifei Pan*, Purdue University Fort Wayne
(11501413) 
9:15 a.m.
TALK CANCELLED:Construction of Nonlinear Component for Block Cipher Based on Chaotic Map and Algebraic Structures.
Iqtadar Hussain*, Department of Mathematics, College of Arts and Science, Qatar University, Doha, Qatar.
(11501120) 
9:30 a.m.
TALK CANCELLED:A finite field is algebraically closed if and only if its cardinality is regular.
Omer Mermelstein*, UWMadison
(115005162) 
9:45 a.m.
A New Constructive Logic and Proof Interpretation.
Wim Ruitenburg*, Marquette University
(115003540) 
10:00 a.m.
The maximum relaxation time of a random walk.
Sinan G Aksoy*, Pacific Northwest National Laboratory
Fan Chung, UC San Diego
Michael Tait, Carnegie Mellon University
Josh Tobin, UC San Diego
(115005212) 
10:15 a.m.
Maximizing $5$cycles in $K_4$ and $K_5$ free graphs.
Bernard Lidický, Iowa State University
Kyle Murphy*, Iowa State University
(115005277) 
10:30 a.m.
Independent Domination in Directed Graphs.
A Blumenthal*, Iowa State University
(115005516) 
10:45 a.m.
On the Asymptotic Enumeration of Restricted Strip Arrangements of a Chessboard.
Arthur L Gershon*, Case Western Reserve University
(115005666)

9:00 a.m.

Sunday September 15, 2019, 9:30 a.m.10:50 a.m.
Special Session on Number Theory and Cryptography, III
Room 474, Van Hise Hall
Organizers:
Eric Bach, University of WisconsinMadison bach@cs.wisc.edu
Jon Sorenson, Butler University jsorenso@butler.edu

9:30 a.m.
Algorithms for the Multiplication Table Problem.
Jonathan Webster*, Butler University
Richard P Brent, Australian National University
David Purdum, Butler University
Carl Pomerance, Dartmouth College
(115011614) 
10:00 a.m.
An Unconditional Improvement to the Running Time of the Quadratic Frobenius Test.
Jon Grantham*, IDA/CCS
(115011149) 
10:30 a.m.
On rigid Carmichael numbers of order $2$.
Andrew R Shallue*, Illinois Wesleyan University
(115011550)

9:30 a.m.

Sunday September 15, 2019, 11:10 a.m.12:00 p.m.
Invited Address
Invariants of rings via equivariant homotopy.
B10, Ingraham Hall
Teena Gerhardt*, Michigan State University
(115055220) 
Sunday September 15, 2019, 1:30 p.m.2:50 p.m.
Special Session on Analysis and Probability on Metric Spaces and Fractals, IV
Room 22, Ingraham Hall
Organizers:
Guy C. David, Ball State University gcdavid@bsu.edu
John Dever, Bowling Green State University

1:30 p.m.
Liouville's theorem in the Heisenberg group.
Jeremy Tyson*, University of Illinois at UrbanaChampaign
(115030337) 
2:00 p.m.
Dimension distortion by right coset projections in the Heisenberg group.
Fernando Y RomanGarcia*, University of Illinois at Urbana Champaign
Terence Harris, University of Illinois at Urbana Champaign
Chi Ngoc Yen Huynh, University of Illinois at Urbana Champaign
(115028102) 
2:30 p.m.
$C^m$ Whitney Extension and Lusin Approximation in the Heisenberg Group.
Gareth Speight*, University of Cincinnati
(11505373)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:50 p.m.
Special Session on Applications of Algebra and Geometry, IV
Room 483, Van Hise Hall
Organizers:
Shamgar Gurevich, University of WisconsinMadison
Jose Israel Rodriguez, University of WisconsinMadison jose@math.wisc.edu

1:30 p.m.
Probabilistic saturations and Alt's problem for fourbar linkages.
Jonathan D Hauenstein*, University of Notre Dame
Martin Helmer, Australian National University, Canberra
(115065480) 
2:00 p.m.
Polynomial neural networks for learning varieties.
Jesus A De Loera, UC Davis
Robert Krone, UC Davis
Sara Jamshidi Zelenberg*, Illinois Institute of Technology
(115008671) 
2:30 p.m.
Certification of structured overdetermined systems.
Timothy Duff*, Georgia Institute of Technology
Frank Sottile, Texas A&M University
(115065563) 
3:00 p.m.
Low algebraic dimension matrix completion.
Greg Ongie*, University of Chicago
(115014674) 
3:30 p.m.
Künneth formulae in persistent homology.
Hitesh Gakhar*, Michigan State University
Jose A Perea, Michigan State University
(115055294)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:50 p.m.
Special Session on Arithmetic of Shimura Varieties, IV
Room 475, Van Hise Hall
Organizers:
Chao Li, Columbia University chaoli@math.columbia.edu
Solly Parenti, University of WisconsinMadison
Tonghai Yang, University of WisconsinMadison

1:30 p.m.
Exceptional splitting of abelian varieties over global fields.
Davesh Maulik, MIT
Ananth N Shankar, MIT
Arul Shankar, University of Toronto
Yunqing Tang*, Princeton University
Salim Tayou, Ecole Normale Superieure
(115011184) 
2:00 p.m.
Intersections on orthogonal Shimura varieties.
Ananth Shankar*, MIT
(115011372) 
3:00 p.m.
Newton Polygon Stratification of the Torelli Locus in PELtype Shimura Varieties.
Wanlin Li*, University of WisconsinMadison
Elena Mantovan, CALIFORNIA INSTITUTE OF TECHNOLOGY
Rachel Pries, COLORADO STATE UNIVERSITY
Yunqing Tang, PRINCETON UNIVERSITY
(11501118) 
3:30 p.m.
Theta series and generalized special cycles on Hermitian locally symmetric manifolds.
Yousheng Shi*, University of Wisconsin, Madison
(115014140)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:50 p.m.
Special Session on Automorphic Forms and LFunctions, IV
Room 482, Van Hise Hall
Organizers:
Simon Marshall, University of WisconsinMadison marshall@math.wisc.edu
Ruixiang Zhang, University of WisconsinMadison

1:30 p.m.
Fourth Moment of Automorphic Periods  Preliminary report.
Ilya Khayutin*, Northwestern University
Raphael Steiner, Institute for Advanced Study
(11501148) 
2:30 p.m.
Small gaps between zeros of the Riemann zetafunction.
D. A. Goldston, San Jose State University
Caroline TurnageButterbaugh*, Carleton College
(115011121) 
3:00 p.m.
Effective Chebotarev for a Density from Jones and Rouse.
Rachel Davis*, University of WisconsinMadison
Huynh, Georgia Southern University
Keaton, East Tennessee State University
Rouse, Wake Forest University
(115011278) 
3:30 p.m.
An Estimate for Spherical Functions on $\mathrm{SL}(3,\mathbb{R})$.
Xiaocheng Li*, Department of Mathematics, University of WisconsinMadison
(115058135)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:20 p.m.
Special Session on Commutative Algebra: in Celebration of the 150th Birthday of Roger and Sylvia Wiegand, IV
Room 114, Van Hise Hall
Organizers:
Nicholas Baeth, Franklin & Marshall College
Graham Leuschke, Syracuse University gjleusch@syr.edu

1:30 p.m.
hlocal rings.
Lee Klinger*, Florida Atlantic University
Akeel Omairi, Florida Atlantic University
(115013239) 
2:30 p.m.
Ascent properties of pdimtest modules.
Sean K. SatherWagstaff*, Clemson University
(115013332) 
3:00 p.m.
Modules of Constant Jordan Type over Quantum Complete Intersections.
Petter Andreas Bergh, Norwegian University of Science and Technology
Karin Erdmann, Oxford University
David A. Jorgensen*, University of Texas at Arlington
(115016367)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:50 p.m.
Special Session on Connecting Network Structure and Behavior of Biological Interaction Systems, IV
Room 19, Ingraham Hall
Organizers:
David Anderson, University of WisconsinMadison
Gheorghe Craciun, University of WisconsinMadison craciun@math.wisc.edu
Abhishek Deshpande, University of WisconsinMadison

1:30 p.m.
Permanence of weakly reversible massaction systems with a single linkage class.
Balázs Boros*, University of WisconsinMadison
(115034105) 
2:00 p.m.
Absolute Concentration Robustness: Algebra and Geometry.
Luis David Garcia Puente, Sam Houston State University
Elizabeth Gross, University of Hawaii at Manoa
Heather A Harrington, University of Oxford
Matthew D Johnston, San Jose State University
Nicolette Meshkat*, Santa Clara University
Anne Shiu, Texas A&M University
(115092185) 
2:30 p.m.
Timedependent productform Poisson distributions for reaction networks with higher order complexes.
Chaojie Yuan*, Department of Mathematics, University of WisconsinMadison
David Anderson, Department of Mathematics, University of WisconsinMadison
(115060556) 
3:00 p.m.
Global stability of a class of twodimensional mass action systems.
Hyejin Jenny Yeon*, University of WisconsinMadison
Gheorghe Craciun, University of WisconsinMadison
(115092625) 
3:30 p.m.
ACR control circuits for stochastically modeled reaction networks under multiscaling.
Jinsu Kim*, University of California, Irvine
German Enciso, University of California, Irivne
(115060412)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:50 p.m.
Special Session on Extremal Graph Theory, IV
Room 491, Van Hise Hall
Organizers:
Józef Balogh, University of Illinois jobal@math.uiuc.edu
Bernard Lidický, Iowa State University

1:30 p.m.
Online size Ramsey number for monotone $k$uniform ordered paths with uniform looseness.
Xavier PérezGiménez*, University of NebraskaLincoln
Paweł Prałat, Ryerson University
Douglas West, Zhejiang Normal University
(115005574) 
2:00 p.m.
A Colorful Mantel Theorem.
Eric Culver, University of Colorado Denver
Bernard Lidický, Iowa State University
Florian Pfender*, University of Colorado Denver
Jan Volec, Emory University
(115005203) 
2:30 p.m.
Weighted Turán Numbers and Maximum Crossing Numbers.
Patrick Bennett, Western Michigan University
Sean English*, University of Illinois UrbanaChampaign
Maria TalandaFisher, Western Michigan University
(115005417) 
3:00 p.m.
Monochromatic connected matchings, paths and cycles in 2edgecolored multipartite graphs.
Jozsef Balogh, University of Illinois UrbanaChampaign
Alexandr Kostochka, University of Illinois UrbanaChampaign
Mikhail Lavrov*, University of Illinois UrbanaChampaign
Xujun Liu, University of Illinois UrbanaChampaign
(115005425) 
3:30 p.m.
The size Ramsey number of graphs with bounded treewidth.
Liana Yepremyan*, University of Illinois at Chicago/ London School of Economics
Nina Kamcev, Monash University
Anita Liebenau, UNSW Sydney
David R Wood, Monash University
(115005213)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:50 p.m.
Special Session on Floer Homology in Dimensions 3 and 4, IV
Room 395, Van Hise Hall
Organizers:
Jianfeng Lin, UC San Diego
Christopher Scaduto, University of Miami cscaduto@scgp.stonybrook.edu

1:30 p.m.
Nontrivial loops of diffeomorphisms of $4$manifolds.
Dave Auckly, Kansas State University
Daniel Ruberman*, Brandeis University
(115057660) 
2:00 p.m.
Cobordism and gluing maps in sutured monopole and instanton Floer homologies.
Zhenkun Li*, MIT
(115057113) 
2:30 p.m.
Twisted monopole $h$invariants.
McKee Krumpak*, Brandeis University
(115057348) 
3:00 p.m.
Surgery Formula of CassonSeibergWitten Invariant.
Langte Ma*, Brandeis University
(115054415) 
3:30 p.m.
TALK CANCELLED: Taut Foliations, Positive 3Braids, and the LSpace Conjecture.
Siddhi Krishna*, Boston College
(115057441)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:20 p.m.
Special Session on Geometry and Topology in Arithmetic, IV
Room 383, Van Hise Hall
Organizers:
Rachel Davis, University of WisconsinMadison rachel.davis@wisc.edu

1:30 p.m.
Improved homological stable range for $GL_n(\mathbb Z)$.
Alexander Kupers, Harvard University
Jeremy Miller*, Purdue University
Rohit Nagpal, The Institute for Advanced Study
Peter Patzt, Purdue University
Jennifer C. H. Wilson, University of Michigan
(115055145) 
2:00 p.m.
Top dimensional cohomology of principal congruence subgroups.
Jeremy Miller, Purdue University
Peter Patzt*, Purdue University
Andrew Putman, Notre Dame University
(115055244) 
2:30 p.m.
Representation Stability and Milnor Fibers.
Philip Tosteson*, University of Chicago
Jeremy Miller, Purdue University
(115055331) 
3:00 p.m.
TALK CANCELLED: Dilinear topographs and binary quadratic diforms.
Suzana Milea*, University of California Santa Cruz
(11500092)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:10 p.m.
Special Session on Geometry and Topology of Singularities, IV
Room 394, Van Hise Hall
Organizers:
Laurentiu Maxim, University of WisconsinMadison maxim@math.wisc.edu

1:30 p.m.
Vanishing of higher order Alexandertype invariants.
Eva Elduque*, University of Michigan
(115055587) 
2:30 p.m.
Mixed Hodge Structures on Alexander Modules.
Christian Geske*, University of WisconsinMadison
Eva Elduque, University of WisconsinMadison
Laurentiu Maxim, University of WisconsinMadison
Botong Wang, University of WisconsinMadison
(115014672)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:50 p.m.
Special Session on Hall Algebras, Cluster Algebras and Representation Theory, IV
Room 487, Van Hise Hall
Organizers:
Xueqing Chen, UWWhitewater chenx@uww.edu
Yiqiang Li, SUNY at Buffalo

1:30 p.m.
The Picture Space of a Gentle Algebra.
Eric J Hanson*, Brandeis University
Kiyoshi Igusa, Brandeis University
(115016583) 
2:00 p.m.
Quantum symmetric pairs at roots of unity.
Thomas Sale*, University of Virginia
Huanchen Bao, University of Maryland, College Park
(115016267) 
2:30 p.m.
$\imath$divided powers and $\imath$Serre presentation for quantum covering algebras.
Christopher Chung*, University of Virginia
(115016542) 
3:00 p.m.
On Ktheory stable basis of Springer resolutions.
Changjian Su, University of Toronto
Gufang Zhao, University of Melbourne
Changlong Zhong*, SUNYAlbany
(115016451) 
3:30 p.m.
Prime spectra of abelian 2categories and categorification of Richardson varieties.
Kent B. Vashaw*, Louisiana State University
Milen Yakimov, Louisiana State University
(115018509)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:10 p.m.
Special Session on Homological and Characteristic p > 0 Methods in Commutative Algebra, IV
Room 155, Van Hise Hall
Organizers:
Michael Brown, University of WisconsinMadison mkbrown5@wisc.edu
Eric Canton, University of Michigan

1:30 p.m.
Birational superrigidity and Kstability of projectively normal Fano manifolds of index one.
Fumiaki Suzuki*, University of Illinois at Chicago
(115014432) 
2:30 p.m.
Semiample Asymptotic Syzygies.
Juliette Bruce*, University of Wisconsin  Madison
(11501436)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:40 p.m.
Special Session on Homotopy Theory, IV
Room 387, Van Hise Hall
Organizers:
Gabe AngeliniKnoll, Michigan State University
Teena Gerhardt, Michigan State University teena@math.msu.edu
Bertrand Guillou, University of Kentucky

1:30 p.m.
Localizing Ext and Lifting $\mathcal{A}(1)$Modules.
Katharine L.M. Adamyk*, University of Colorado Boulder
(115055243) 
2:00 p.m.
Power operations on motivic normed algebras.
Jeremiah Heller*, UIUC
Tom Bachmann, MIT
Elden Elmanto, Harvard
(115055549) 
3:00 p.m.
Hochschild homology for $C_n$equivariant things.
Katharine Adamyk, University of Colorado Boulder
Teena Gerhardt, Michigan State University
Kathryn Hess, EPFL
Inbar Klang*, Columbia University
Hana Kong, University of Chicago
(115055271)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.2:50 p.m.
Special Session on Lie Representation Theory, IV
Room 490, Van Hise Hall
Organizers:
Mark Colarusso, University of South Alabama
Michael Lau, Université Laval Michael.Lau@mat.ulaval.ca
Matt Ondrus, Weber State University

1:30 p.m.
Support varieties for modular Lie superalgebras.
Christopher M Drupieski*, DePaul University
Jonathan R Kujawa, University of Oklahoma
(115017180) 
2:00 p.m.
Tensor algebras in finite tensor categories.
Pavel Etingof, Massachusetts Institute of Technology
Ryan Kinser*, University of Iowa
Chelsea Walton, University of Illinois, UrbanaChampaign
(11501899) 
2:30 p.m.
Grothendieck rings of towers of twisted generalized Weyl algebras.
Jonas T Hartwig, Iowa State University
Daniele Rosso*, Indiana University Northwest
(115016177)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:50 p.m.
Special Session on Model Theory, IV
Room 587, Van Hise Hall
Organizers:
Uri Andrews, University of WisconsinMadison andrews@math.wisc.edu
Omer Mermelstein, University of WisconsinMadison

1:30 p.m.
Tame Expansions of Presburger Arithmetic.
Alfred R Dolich*, Kingsborough Community College (CUNY)
(115003283) 
2:30 p.m.
The model theory of random groups.
MengChe Ho*, Purdue University
Remi Coulon, Institut de recherche mathématique de Rennes
Alan Logan, HeriotWatt University
(115003255) 
3:00 p.m.
FefermanVaught and the product of finite fields.
Alice Medvedev*, The City College of New York and CUNY Graduate Center
Alexander Van Abel, CUNY Graduate Center
(115003596) 
3:30 p.m.
A strong version of Cobham's theorem.
Philipp Hieronymi*, University of Illinois
Christian Schulz, University of Illinois
(11500360)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:50 p.m.
Special Session on Number Theory and Cryptography, IV
Room 474, Van Hise Hall
Organizers:
Eric Bach, University of WisconsinMadison bach@cs.wisc.edu
Jon Sorenson, Butler University jsorenso@butler.edu

1:30 p.m.
Analysis and Comparison of Two Algorithms for Predicting Linear Congruence Generators.
Eric Bach*, University of Wisconsin
(115011327) 
2:00 p.m.
Derandomizing Quadratic Nonresidue Construction: Progress and Limitations.
Eric Bach, University of Wisconsin
Robert A Threlfall*, Sun Prairie, Wisconsin
(115068528) 
2:30 p.m.
Break 
3:00 p.m.
Counting solutions to singular systems of exponential equations modulo powers of a prime.
Joshua Holden*, RoseHulman Insitute of Technology
(115011675) 
3:30 p.m.
Searching for order 5 Brauer classes in del Pezzo surfaces of degree one.
Rachel Davis*, University of WisconsinMadison
(115011282)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:20 p.m.
Special Session on Recent Developments in Harmonic Analysis, IV
Room 375, Van Hise Hall
Organizers:
Theresa Anderson, Purdue University
Joris Roos, University of WisconsinMadison jroos@math.wisc.edu

1:30 p.m.
Oscillatory multilinear Radonlike transforms.
Philip T. Gressman*, University of Pennsylvania
(115042514) 
2:00 p.m.
Sparse bounds and the strong maximal function.
Alex Barron*, UIUC
Jose M. Conde Alonso, Universidad Autónoma de Madrid
Yumeng Ou, Baruch College
Guillermo Rey, Google
(115042592) 
2:30 p.m.
BrascampLieb inequalities.
Dominique Maldague*, MIT
(115026403) 
3:00 p.m.
A singular bilinear operator with a determinant like kernel.
Taryn C Flock*, Macalester College
Andrea Nahmod, University of Massachusetts
(115042641)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.2:50 p.m.
Special Session on Recent Work in the Philosophy of Mathematics, IV
Room 578, Van Hise Hall
Organizers:
Thomas Drucker, University of WisconsinWhitewater druckert@uww.edu
Dan Sloughter, Furman University

1:30 p.m.
Neologicist Foundations for Mathematics.
Roy T Cook*, University of Minnesota, Twin Cities
(115003648) 
2:30 p.m.
Felix Hausdorff's Raumproblem in present day English.
Benjamin Joseph Elkins*, Buffalo Grove, IL
(11500123)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.2:20 p.m.
Special Session on Relations Between the History and Pedagogy of Mathematics, IV
Room 574, Van Hise Hall
Organizers:
Emily T. Hamilton, University of Massachusetts, Amherst
Brit Shields, University of Pennsylvania bshields@seas.upenn.edu
Rebecca Vinsonhaler, University of Texas, Austin

1:30 p.m.
Discussion 
2:00 p.m.
Discussion

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.2:50 p.m.
Special Session on Several Complex Variables, IV
Room 379, Van Hise Hall
Organizers:
Hanlong Fang, University of WisconsinMadison
Xianghong Gong, University of WisconsinMadison gong@math.wisc.edu

1:30 p.m.
An Alexandertype duality in the $L^2$theory of the $\overline{\partial}$problem.
Debraj Chakrabarti*, Central Michigan University
Phil Harrington, University of Arkansas
(11503282) 
2:00 p.m.
Discretization of Chern classes and some geometric applications.
Hanlong Fang*, University of WisconsinMadison
(115032468) 
2:30 p.m.
Numbertheoretic properties of rational CR sphere maps.
John P. D'Angelo*, University of Illinois, UrbanaChampaign
(115032280)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.2:50 p.m.
Special Session on Stochastic Partial Differential Equations and Related Fields, IV
Room 374, Van Hise Hall
Organizers:
Igor Cialenco, Illinois Institute of Technology
Yu Gu, Carnegie Mellon University
HyunJung Kim, Illinois Institute of Technology hkim129@iit.edu

1:30 p.m.
Large Time Behavior of Randomly Perturbed Dynamical Systems.
Leonid Koralov*, University of Maryland
(115060649) 
2:00 p.m.
Drift Estimation for Discretely Sampled SPDEs.
HyunJung Kim*, Illinois Institute of Technology
(11506080) 
2:30 p.m.
Recent Advances in Statistical Inference for Stochastic PDEs.
Igor Cialenco*, Illinois Institute of Technology
(115060601)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:50 p.m.
Special Session on Supergeometry, Poisson Brackets, and Homotopy Structures, IV
Room 386, Van Hise Hall
Organizers:
Ekaterina Shemyakova, University of Toledo ekaterina.shemyakova@utoledo.edu
Theodore Voronov, University of Manchester

1:30 p.m.
Twodimensional BF theory as a conformal field theory.
Pavel Mnev*, University of Notre Dame
(11508127) 
2:00 p.m.
Poisson structures related to vertex operator superalgebras.
Katrina Barron*, University of Notre Dame
(115081503) 
2:30 p.m.
On a category of formal differential mappings.
Alexander Karabegov*, Abilene Christian University
Hovhannes Khudaverdian, The University of Manchester, Manchester, UK
(115053397) 
3:30 p.m.
Classical and quantum microformal morphisms. Main facts and action on cohomology.
Theodore Voronov*, University of Manchester
(115058419)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:20 p.m.
Special Session on Topology and Descriptive Set Theory, IV
Room 579, Van Hise Hall
Organizers:
Tetsuya Ishiu, Miami University ishiut@miamioh.edu
Paul B. Larson, Miami University larsonpb@miamioh.edu

1:30 p.m.
Equitable colorings.
Clinton T Conley*, Carnegie Mellon University
(115003595) 
2:00 p.m.
Measurable Hall's theorem for actions of abelian groups.
Tomasz Ciesla*, McGill University
(115003575) 
2:30 p.m.
There is only one Polish ring topology on the entire functions.
C. Caruvana*, Indiana University Kokomo
R. R. Kallman, University of North Texas
(11502219) 
3:00 p.m.
Topology and the splitting number.
Alan Stewart Dow*, University of North Carolina at Charlotte
(115003228)

1:30 p.m.

Sunday September 15, 2019, 1:30 p.m.3:50 p.m.
Special Session on Zero Forcing, Propagation, and Throttling, IV
Room 583, Van Hise Hall
Organizers:
Josh Carlson, Williams College jmsdg@iastate.edu
Nathan Warnberg, University of WisconsinLa Crosse nwarnberg@uwlax.edu

1:30 p.m.
Characterizations of Throttling Numbers.
Joshua Carlson*, Williams College
(115005438) 
2:00 p.m.
ZeroForcing Throttling as a Forbidden Subgraph Problem.
Juergen Kritschgau*, Iowa State University
Josh Carlson, Williams College
(115005586) 
2:30 p.m.
Discussion 
3:00 p.m.
Discussion 
3:40 p.m.
Discussion

1:30 p.m.

Sunday September 15, 2019, 2:00 p.m.3:20 p.m.
Special Session on Categorical GromovWitten Invariants and Mirror Symmetry, IV
Room 390, Van Hise Hall
Organizers:
Andrei Caldararu, University of WisconsinMadison andreic@math.wisc.edu
Junwu Tu, University of MissouriColumbia and Shanghai Tech University

2:00 p.m.
GromovWitten invariants for CalabiYau categories with semisimple Hochschild cohomology.
Lino Amorim*, Kansas State University
Junwu Tu, ShanghaiTech University
(115018536) 
3:00 p.m.
A SkewStability Theorem For The Alternating Part of $H_*(\mathcal{M}_{g,n})$.
David Wagner*, University of Wisconsin  Madison
(115014603)

2:00 p.m.
Inquiries: meet@ams.org