AMS Sectional Meeting Program by Day
Current as of Sunday, October 17, 2021 03:30:04
Fall Central Sectional Meeting (formerly at Creighton University)
 now meeting virtually, CDT (hosted by the American Mathematical Society), Virtual, RI
 October 910, 2021 (Saturday  Sunday)
 Meeting #1171
Associate Secretary for the AMS Scientific Program:
Georgia Benkart, AMS benkart@math.wisc.edu
Sunday October 10, 2021

Sunday October 10, 2021, 8:30 a.m.6:00 p.m.
Information Room 
Sunday October 10, 2021, 9:00 a.m.11:30 a.m.
Special Session on Building Institutional Structures for Student Success, III
Special Session 11, American Mathematical Society
Organizers:
Patrick Rault, University of Nebraska Omaha prault@unomaha.edu
Rebecca Gasper, Creighton University
Carolyn Luna, University of Texas at San Antonio

9:00 a.m.
The South (D)akota, Iowa, and NEbraska COMmunity for Mathematics Inquiry in Teaching (SINE COMMIT).
Su Dorée, Augsburg University
Rebecca Gasper, SINE COMMIT
Patrick X Rault*, University of Nebraska at Omaha
(117197142) 
9:30 a.m.
MAA instructional practices guide as a lever to build intraand interinstitutional structure for student success.
Gulden Karakok*, University of Northern Colorado
(11719771) 
10:00 a.m.
Repackaging Mathematics for EVERYONE.
Carolyn Luna, The University of Texas at San Antonio
Jonathan Brucks*, The University of Texas at San Antonio
(117197127) 
10:20 a.m.
Break. 
10:40 a.m.
A multifaceted approach to supporting student success.
Nicole Infante*, University of Nebraska at Omaha
(117197139) 
11:10 a.m.
Flipping the formula in active learning classrooms.
Mike Weimerskirch*, University of Minnesota
(117197175)

9:00 a.m.

Sunday October 10, 2021, 9:00 a.m.11:30 a.m.
Special Session on Coding, Storage, and Related Applications, III
Special Session 5, American Mathematical Society
Organizers:
Swanand Kadhe, University of California Berkeley
Christine Kelley, University of NebraskaLincoln ckelley2@unl.edu
Gretchen Matthews, Virginia Tech

9:00 a.m.
Codes for reconciling jitters.
Dunbar Birnie, Rutgers
Christopher Cheng, Rutgers
Emina Soljanin*, Rutgers
(117197220) 
9:30 a.m.
An introduction to DNA sequencing and data storage.
Henry Chimal Dzul*, Institute of Mathematics, University of Zurich
(117116208) 
10:00 a.m.
Convertible Codes: Efficient conversion of coded data for largescale storage systems.
Francisco Maturana, CMU
Rashmi Vinayak*, CMU
(117194107) 
10:20 a.m.
Break. 
10:40 a.m.
A unified treatment of partial stragglers and sparse matrices in coded matrix computation.
Aditya Ramamoorthy*, Iowa State University, Ames, IA
(117194205) 
11:10 a.m.
More servers, less communication, for secure distributed matrix multiplication.
Rafael G. L. D'Oliveira*, Massachusetts Institute of Technology
Salim El Rouayheb, Rutgers University
Daniel Heinlein, Aalto University
Roberto A. Machado, Clemson University
(117194148)

9:00 a.m.

Sunday October 10, 2021, 9:00 a.m.11:30 a.m.
Special Session on Commutative Algebra, III
Special Session 3, American Mathematical Society
Organizers:
Jason McCullough, Iowa State University
Alexandra Seceleanu, University of Nebraska

9:00 a.m.
Curves passing through points in projective space.
Michael DiPasquale*, University of South Alabama
Chris Peterson, Colorado State University
Luca Chiantini, University of Siena
Cristiano Bocci, University of Siena
Andrea Mazzon, University of Siena
(117113116) 
9:30 a.m.
General lines in projective space and the Koszul property.
Joshua A. Rice*, Iowa State University
(117113138) 
10:00 a.m.
The canonical module of a Koszul algebra.
Paolo Mantero, University of Arkansas
Matthew Mastroeni*, Iowa State University
(117113109) 
10:20 a.m.
Break. 
10:40 a.m.
NewtonOkounkov bodies and analytic spread of graded systems of monomial ideals.
Thai Thanh Nguyen*, Tulane University
(11711323) 
11:10 a.m.
Rees algebras of ideals of star configurations.
Alessandra Costantini*, Oklahoma State University
Ben Drabkin, Singapore University of Technology and Design
Lorenzo Guerrieri, Jagiellonian University
(11711340)

9:00 a.m.

Sunday October 10, 2021, 9:00 a.m.11:30 a.m.
Special Session on Developments in Knot Theory and Lowdimensional Topology, III
Special Session 12, American Mathematical Society
Organizers:
Mark Brittenham, University of NebraskaLincoln
Margaret Doig, Creighton University MargaretDoig@creighton.edu
Ying Hu, University of Nebraska Omaha
Thomas Kindred, University of NebraskaLincoln

9:00 a.m.
A new perspective on a polynomial time knot polynomial.
Robert John Quarles*, Louisiana State University
(11715554) 
9:30 a.m.
Connected sums and directed systems in knot Floer homologies.
Sudipta Ghosh*, Louisiana State University
Ian Zemke, Princeton University
(117157110) 
10:00 a.m.
Families of fundamental shadow links realized as links in the $3$sphere.
Sanjay L. Kumar*, The University of California, Santa Barbara
(11715782) 
10:20 a.m.
Break. 
10:40 a.m.
Virtual knot groups.
Heather A. Dye*, McKendree University
Aaron Kaestner, North Park University
(11715731) 
11:10 a.m.
Using deep learning to generate knots with prescribed invariants.
Amy Eubanks, Brigham Young University
Mark Hughes*, Brigham Young University
Jared Slone, Brigham Young University
(11715712)

9:00 a.m.

Sunday October 10, 2021, 9:00 a.m.11:30 a.m.
Special Session on Geometric Topology, III
Special Session 10, American Mathematical Society
Organizers:
David Auckly, Kansas State University
Aliakbar Daemi, Washington University in St. Louis
Rustam Sadykov, Kansas State University sadykov@ksu.edu
Alexander Zupan, University of NebraskaLincoln

9:30 a.m.
Khovanov homology and exotic surfaces in the 4ball.
Kyle Hayden*, Columbia University
Isaac Sundberg, Bryn Mawr College
(11715796) 
10:00 a.m.
Slicing knots in definite manifolds.
Alexandra Kjuchukova*, University of Notre Dame
Allison N Miller, Swarthmore College
Arunima Ray, Max Planck Institute for Mathematics  Bonn
Sumeyra Sakalli, University of Arkansas
(117157196) 
10:20 a.m.
Break. 
10:40 a.m.
A homotopy invariant of stable maps to $\mathbb{R}^2$.
Liam R. Kahmeyer*, Kansas State University
(117151153)

9:30 a.m.

Sunday October 10, 2021, 9:00 a.m.11:30 a.m.
Special Session on Geometric and Topological Combinatorics and Their Applications, III
Special Session 7, American Mathematical Society
Organizers:
Rob Davis, Colgate University rdavis@colgate.edu
Bennet Goeckner, University of Washington

9:00 a.m.
Hopf monoids of ordered simplicial complexes.
Federico Castillo, MaxPlanckInstitute of Mathematics for Natural Sciences
Jeremy L. Martin*, University of Kansas
José A. Samper, Pontificia Universidad Católica de Chile
(11710535) 
9:30 a.m.
A Hopf monoid on set families.
Kevin Marshall*, University of Kansas
(117105119) 
10:00 a.m.
Subdivisions of shellable complexes.
Max Hlavacek*, University of California, Berkeleley
Liam Solus, KTH Royal Institute of Technology
(117105188) 
10:20 a.m.
Break. 
10:40 a.m.
Edge partitions of the complete graph and a determinant like function.
Steven R. Lippold, BGSU
Mihai D. Staic*, BGSU
Alin Stancu, Columbus State University
(117115238) 
11:10 a.m.
Stirling numbers for complex reflection groups.
Bruce E. Sagan*, Michigan State University
Robin Sulzgruber, York University
Joshua Swanson, University of California, San Diego
(1171056)

9:00 a.m.

Sunday October 10, 2021, 9:00 a.m.11:30 a.m.
Special Session on Homological Methods in Commutative Algebra, III
Special Session 9, American Mathematical Society
Organizers:
Daniel Erman, University of WisconsinMadison derman@math.wisc.edu
Claudiu Raicu, Notre Dame University

9:00 a.m.
Differential operators on quotients of normal affine semigroup rings.
Christine Berkesch*, University of Minnesota
CY. Jean Chan, Central Michigan University
Patricia Klein, University of Minnesota
Laura Felicia Matusevich, Texas A&M University
Janet Page, University of Michigan
Janet Vassilev, University of New Mexico
(117113134) 
9:30 a.m.
Mixed Hodge structure on local cohomology with support in determinantal varieties.
Michael Perlman*, Queen's University
Claudiu Raicu, University of Notre Dame
(11711362) 
10:00 a.m.
A conjecture about the BrennerMonsky hypersurface.
Austyn Simpson*, University of Illinois  Chicago
(117113171) 
10:20 a.m.
Break. 
10:40 a.m.
Graded deviations and the Koszul property.
Michael DeBellevue*, University of Nebraska Lincoln
(117113166) 
11:10 a.m.
Bumpless pipe dreams encode Gröbner geometry of Schubert polynomials.
Patricia Klein*, University of Minnesota
Anna Weigandt, Massachusetts Institute of Technology
(11711395)

9:00 a.m.

Sunday October 10, 2021, 9:00 a.m.11:30 a.m.
Special Session on New Trends in Combinatorics, III
Special Session 8, American Mathematical Society
Organizers:
Steve Butler, Iowa State University butler@iastate.edu
Bernard Lidický, Iowa State University

9:00 a.m.
Expressing graphs as symmetric differences of bicliques.
Calum Buchanan*, University of Vermont
Alexander Clifton, Emory University
Eric Culver, University of Colorado Denver
Jiaxi Nie, University of California San Diego
Jason O'Neill, University of California San Diego
Puck Rombach, University of Vermont
Mei Yin, Denver University
(117105239) 
9:30 a.m.
Maximum number of almost similar triangles in the plane.
József Balogh, University of Illinois at UrbanaChampaign
Felix Christian Clemen*, University of Illinois at UrbanaChampaign
Bernard Lidický, Iowa State University
(117105219) 
10:00 a.m.
Two generalizations of the CaccettaHaggkvist conjecture.
Ron Aharoni, Technion
Eli Berger, University of Haifa
Maria Chudnovsky, Princeton
Shira Zerbib*, Iowa State University
(117105106) 
10:20 a.m.
Break. 
10:40 a.m.
Almost $k$coverings of grids.
Alexander J. Clifton*, Emory University
(117105244) 
11:10 a.m.
Perfect matchings in the random bipartite geometric graph.
Xavier PérezGiménez*, University of NebraskaLincoln
Abigail Raz, Cooper Union
(11710537)

9:00 a.m.

Sunday October 10, 2021, 9:00 a.m.11:30 a.m.
Special Session on Progress in Nonlinear Waves, III
Special Session 4, American Mathematical Society
Organizers:
David Ambrose, Drexel University dma68@drexel.edu

9:00 a.m.
Fanning the flames: Unreasonable modifications to the flame equations.
Adam Larios*, University of NebraskaLincoln
Mohammad Mahabubur Rahmang, Texas Tech University
Kazuo Yamazaki, Texas Tech University
(117135195) 
9:30 a.m.
Global existence of KuramotoSivashinsky equations (KSE) with dissipation enhancing flows.
Yuanyuan Feng*, The Pennsylvania State University
Anna Mazzucato, The Pennsylvania State University
Michele Coti Zelati, Imperial College
Michele Dolce, Imperial College
Binbin Shi, Shanghai Jiao Tong University
Weike Wang, Shanghai Jiao Tong University
(11713547) 
10:00 a.m.
Global existence for the 2D KuramotoSivashinsky equation with growing modes.
Anna L. Mazzucato*, Penn State University
David Ambrose, Drexel University
(1171358) 
10:20 a.m.
Break. 
10:40 a.m.
A domain decomposition solution of the StokesDarcy system in 3D based on boundary integrals.
Svetlana Tlupova*, Farmingdale State College, SUNY
(11716583) 
11:10 a.m.
Spatially quasiperiodic water waves.
Jon Wilkening*, UC Berkeley
(117176132)

9:00 a.m.

Sunday October 10, 2021, 9:00 a.m.11:30 a.m.
Special Session on Recent Advances in Numerical Methods for Partial Differential Equations, III
Special Session 1, American Mathematical Society
Organizers:
Mahboub Baccouch, University of Nebraska at Omaha mbaccouch@unomaha.edu
Slimane Adjerid, Virginia Tech

9:00 a.m.
Efficient, positive, and energy stable schemes for multiD PoissonNernstPlanck systems.
Hailiang Liu*, Iowa State University
Wumaier Maimaitiyiming, University of California at Los Angeles
(117139210) 
9:30 a.m.
Robust model reductions for the transmission problem with highcontrast hterogeneous coefficients.
Marcus Sarkis*, Worcester Polytechnic Institute
Alexandre L. Madureira, Laboratorio Nacional de Computacao CientificaLNCC, Brazil
(11716568) 
10:00 a.m.
New finite element solvers for coupled StokesDarcy flow problems.
Jiangguo Liu*, Colorado State University
Graham Harper, Sandia National Laboratories
Tim Wildey, Sandia National Laboratories
Simon Tavener, Colorado State University
(11716549) 
10:20 a.m.
Break. 
10:40 a.m.
Mixed finite element methods for stochastic Stokes equations with multiplicative noise.
Xiaobing Feng*, The University of Tennessee
(11716541) 
11:10 a.m.
Preconditioning mixed high order finite elements for incompressible flow.
Mark Ainsworth, Brown University
Charles W. Parker*, Brown University
(117165122)

9:00 a.m.

Sunday October 10, 2021, 9:00 a.m.11:30 a.m.
Special Session on Theoretical and Applied Aspects of Nonlocal Equations, III
Special Session 6, American Mathematical Society
Organizers:
Animesh Biswas, University of NebraskaLincoln
Petronela Radu, University of NebraskaLincoln
Mary Vaughan, The University of Texas at Austin maryv@utexas.edu

9:00 a.m.
Harnack inequality for fractional elliptic equations in nondivergence form.
Mary Vaughan*, The University of Texas at Austin
Pablo Raúl Stinga, Iowa State University
(117135131) 
9:30 a.m.
Asymptotic analysis of a coupled system of nonlocal equations with oscillatory coefficients.
Tadele Mengesha*, The Univesity of Tennessee Knoxville
James Scott, University of Pittsburgh
(117145100) 
10:00 a.m.
Nonlocal aspects of (local) parabolic equations.
Simon Bortz*, University of Alabama
(117135117) 
10:20 a.m.
Break. 
10:40 a.m.
Fourier methods for nonlocal equations with physical boundary conditions.
Siavash Jafarzadeh, University of NebraskaLincoln
Florin Bobaru, University of NebraskaLincoln
Adam Larios*, University of NebraskaLincoln
(117135200) 
11:10 a.m.
Critical thresholds in 1D pressureless Euler Poisson alignment systems with varying background.
Manas Bhatnagar*, Iowa State University
Hailiang Liu, Iowa State University
(117135108)

9:00 a.m.

Sunday October 10, 2021, 9:30 a.m.11:20 a.m.
Special Session on Analysis and Differential Equations at Undergraduate Institutions, III
Special Session 15, American Mathematical Society
Organizers:
Nathan Pennington, Creighton University nathanpennington@creighton.edu

9:30 a.m.
Agmontype decay of eigenfunctions for a class of Schrödinger operators with noncompact classically allowed region.
Christoph Marx*, Oberlin College
Hengrui Zhu, Oberlin College
(11713585) 
10:00 a.m.
The $L^p$ continuity of wave operators for higher order Schrödinger operators.
M. Burak Erdogan, University of Illinois at UrbanaChampaign
William R. Green*, RoseHulman Institute of Technology
(11713551) 
10:30 a.m.
A study of logistic growth models influenced by the exterior matrix hostility and grazing in an interior patch.
Gampola Waduge Nalin Fonseka*, Carolina University
Jonathan Machado, Tufts University
Ratnasingham Shivaji, University of North Carolina at Greensboro
(1171345) 
11:00 a.m.
Another look at the Sobolev embedding theorem in metricmeasure spaces.
Ryan Alvarado*, Amherst College
(117143237)

9:30 a.m.

Sunday October 10, 2021, 9:30 a.m.11:30 a.m.
Special Session on Quiver Representations: Bridging Theory and Application, III
Special Session 2, American Mathematical Society
Organizers:
Yariana Diaz, University of Iowa
Cody Gilbert, University of Iowa
Ryan Kinser, University of Iowa ryankinser@uiowa.edu
Amrei Oswald, University of Iowa

9:30 a.m.
Algorithms for orbits of quiver representation.
Harm Derksen*, Northeastern University
Visu Makam, IAS
(117116234) 
10:20 a.m.
Break. 
10:40 a.m.
Rank of convex modules.
Brett Collins, Bucknell University
David C Meyer*, Colgate University
(117116202) 
11:10 a.m.
Operations on quiver representations in persistence theory.
Nikola Milicevic*, Pennsylvania State University
(11715561)

9:30 a.m.

Sunday October 10, 2021, 9:30 a.m.10:25 a.m.
Contributed Paper Session on AMS Contributed Paper Session, II
Contributed Paper Session, American Mathematical Society
Organizers:
Jai N. Singh, Department of Mathematics and Computer Science, Barry University

9:30 a.m.
CalabiYau threefolds in projective spaces and Gorenstein rings.
Hal Schenck, Auburn University
Mike Stillman, Cornell University
Beihui Yuan*, Cornell University
(11711376) 
9:45 a.m.
Some applications of the BolzanoWeierstrass theorem for linear optimization.
Jai N. Singh*, Department of Mathematics and Computer Science, Barry University
M. Shakil, Department of Mathematics, MiamiDade College, Hialeah, FL 33012, USA
D. Singh, Ahmadu Bello University, Zaria, Nigeria
(117140218) 
10:00 a.m.
One vs. two vs. multidimensional searches: Changing the paradigm in optimization methods.
Fabio Vitor*, University of Nebraska at Omaha
(117190245) 
10:15 a.m.
Solutions for nonlinear convex matrix systems, with applications ton nonlinear convex partial differential equations and tanscranial magnetic stimulation coil design optimization.
Justin R. Hill*, St. Philips College
Francisco Javier GarciaPacheco, Universidad de Cadiz
Clemente Cobos Sanchez, Universidad de Cadiz
Jose Maria GuerreroRodriguez, Universidad de Cadiz
(1171154)

9:30 a.m.

Sunday October 10, 2021, 11:45 a.m.12:35 p.m.
Invited Address
Organizers:
Georgia Benkart, University of Wisconsin, Madison
Spatial evolution and phenotypic switching in cancer.
Invited Address, American Mathematical Society
Jasmine Foo*, University of MinnesotaTwin Cities
(1171002) 
Sunday October 10, 2021, 12:00 p.m.1:00 p.m.
Meet with an AMS/MAA book editor during our Open Office Hours 
Sunday October 10, 2021, 2:00 p.m.2:50 p.m.
Invited Address
Organizers:
Georgia Benkart, University of Wisconsin, Madison
Multigradings in algebra and geometry.
Invited Address, American Mathematical Society
Michael K. Brown, Auburn Univeristy
Daniel Erman*, University of Wisconsin
(11711315) 
Sunday October 10, 2021, 3:10 p.m.6:00 p.m.
Special Session on Building Institutional Structures for Student Success, IV
Special Session 11, American Mathematical Society
Organizers:
Patrick Rault, University of Nebraska Omaha prault@unomaha.edu
Rebecca Gasper, Creighton University
Carolyn Luna, University of Texas at San Antonio

3:10 p.m.
Bringing about cultural change in departments, institutions, and national organizations.
Michael Dorff*, Brigham Young University
(117100168) 
4:00 p.m.
Break. 
4:20 p.m.
Levers for change: Tools for heavy lifting.
Sandra Laursen*, University of Colorado Boulder
(117197253) 
5:10 p.m.
Discussion.

3:10 p.m.

Sunday October 10, 2021, 3:10 p.m.4:40 p.m.
Special Session on Coding, Storage, and Related Applications, IV
Special Session 5, American Mathematical Society
Organizers:
Swanand Kadhe, University of California Berkeley
Christine Kelley, University of NebraskaLincoln ckelley2@unl.edu
Gretchen Matthews, Virginia Tech

3:10 p.m.
On errorcorrecting codes with restricted error sets.
Mira Gonen, Ariel University
Michael Langberg, University at Buffalo
Alex Sprintson*, Texas A&M University
(117194241) 
3:40 p.m.
Authenticated partial correction in adversarial networks.
Allison Beemer*, University of WisconsinEau Claire
Ariel Liu, University of WisconsinEau Claire
(117194174) 
4:20 p.m.
A unifying framework to construct QCLDPC Tanner graphs of desired girth.
Roxana Smarandache, University of Notre Dame
David Mitchell*, New Mexico State University
(117194254)

3:10 p.m.

Sunday October 10, 2021, 3:10 p.m.6:00 p.m.
Special Session on Commutative Algebra, IV
Special Session 3, American Mathematical Society
Organizers:
Jason McCullough, Iowa State University
Alexandra Seceleanu, University of Nebraska

3:10 p.m.
Explicit formulas for BernsteinSato polynomials via reduction to prime characteristic.
Daniel Hernández*, University of Kansas
Emily Witt, University of Kansas
(117113227) 
3:40 p.m.
Extremal (hyper)surfaces in positive characteristic.
Janet Page*, University of Michigan
(117113154) 
4:00 p.m.
Break. 
4:20 p.m.
Openness of splinter loci.
Rankeya Datta*, Michigan State University
Kevin Tucker, University of Illinois at Chicago
(117113215) 
4:50 p.m.
Functional equations and Vfiltrations for nonregular rings.
Josep Àlvarez Montaner, Universitat Politècnica de Catalunya
Daniel Hernández, University of Kansas
Jack Jeffries, University of Nebraska
Luis NúñezBetancourt, Centro de Investigación en Matemáticas
Pedro Teixeira, Knox College
Emily Witt*, University of Kansas
(117113226) 
5:10 p.m.
Open Discussion.

3:10 p.m.

Sunday October 10, 2021, 3:10 p.m.6:00 p.m.
Special Session on Developments in Knot Theory and Lowdimensional Topology, IV
Special Session 12, American Mathematical Society
Organizers:
Mark Brittenham, University of NebraskaLincoln
Margaret Doig, Creighton University MargaretDoig@creighton.edu
Ying Hu, University of Nebraska Omaha
Thomas Kindred, University of NebraskaLincoln

3:10 p.m.
A simple proof of the CrowellMurasugi theorem.
Thomas Kindred*, Wake Forest University
(117157249) 
3:40 p.m.
Closed Seifert surfaces and 0.5solvable links.
Sarah Seger*, Concordia College, Moorhead MN
(117154190) 
4:00 p.m.
Break. 
4:20 p.m.
Crossing numbers of Whitehead doubles.
Efstratia Kalfagianni, Michigan State University
Christine Ruey Shan Lee*, University of South Alabama
(11715763) 
4:50 p.m.
Bounds on crossing number via knot diagram recovery.
Robert Haraway, Independent
Neil R. Hoffman*, Oklahoma State University
Eric Sedgwick, Depaul University
Saul Schleimer, Warwick Mathematics Institute
(117157232) 
5:10 p.m.
Open Discussion.

3:10 p.m.

Sunday October 10, 2021, 3:10 p.m.6:00 p.m.
Special Session on Geometric Topology, IV
Special Session 10, American Mathematical Society
Organizers:
David Auckly, Kansas State University
Aliakbar Daemi, Washington University in St. Louis
Rustam Sadykov, Kansas State University sadykov@ksu.edu
Alexander Zupan, University of NebraskaLincoln

3:10 p.m.
Homology concordance homomorphisms.
Irving Dai, Stanford University
Jennifer Hom, Georgia Institute of Technology
Matthew Stoffregen, Michigan State University
Linh Truong*, University of Michigan
(11715774) 
3:40 p.m.
SeibergWitten Floer spectra for $b_1>0$.
Hirofumi Sasahira, Kyushu University
Matthew Stoffregen*, Michigan State University
(117157129) 
4:00 p.m.
Break. 
4:20 p.m.
Linvariant for spun knots.
Jose Roman Aranda Cuevas*, Binghamton University
Scott A. Taylor, Colby College
Cindy Zhang, Colby College
Puttipong Pongtanapaisan, University of Saskatchewan
(117157115) 
4:50 p.m.
Open Discussion.

3:10 p.m.

Sunday October 10, 2021, 3:10 p.m.6:00 p.m.
Special Session on Geometric and Topological Combinatorics and Their Applications, IV
Special Session 7, American Mathematical Society
Organizers:
Rob Davis, Colgate University rdavis@colgate.edu
Bennet Goeckner, University of Washington

3:10 p.m.
Homomorphism complexes, reconfiguration, and homotopy for directed graphs.
Anton Dochtermann*, Texas State University
Anurag Singh, Chennai Mathematical Institute
(11710545) 
3:40 p.m.
Classifying all embedding dimension vectors of combinatorial codes.
R. Amzi Jeffs*, Carnegie Mellon University
(117105189) 
4:00 p.m.
Break. 
4:20 p.m.
The topology of projective codes and the distribution of zeros of odd maps.
Florian Frick*, Carnegie Mellon University and Freie Universität Berlin
(11710599) 
5:10 p.m.
Open Discussion.

3:10 p.m.

Sunday October 10, 2021, 3:10 p.m.4:40 p.m.
Special Session on Homological Methods in Commutative Algebra, IV
Special Session 9, American Mathematical Society
Organizers:
Daniel Erman, University of WisconsinMadison derman@math.wisc.edu
Claudiu Raicu, Notre Dame University

3:10 p.m.
Primary decomposition of modules via Ext.
Justin Chen*, ICERM
(117113169) 
3:40 p.m.
Polarizations and hook partitions.
Ayah Almousa*, University of Minnesota  Twin Cities
Keller VandeBogert, University of Notre Dame
(117113123) 
4:00 p.m.
Break. 
4:20 p.m.
Bounds on the number of generators of prime ideals.
Giulio Caviglia*, Department of Mathematics Purdue University
Alessandro De Stefani, University of Genoa
(117113216)

3:10 p.m.

Sunday October 10, 2021, 3:10 p.m.6:00 p.m.
Special Session on New Trends in Combinatorics, IV
Special Session 8, American Mathematical Society
Organizers:
Steve Butler, Iowa State University butler@iastate.edu
Bernard Lidický, Iowa State University

3:10 p.m.
Ramsey numbers for nontrivial Berge cycles.
Jiaxi Nie*, University of California San Diego
Jacques Verstraëte, University of California San Diego
(117105229) 
3:40 p.m.
Paths of length three are K_{r+1}Turán good.
Kyle Murphy*, Dakota State University
J.D. Nir, University of Manitoba
(117105192) 
4:00 p.m.
Break. 
4:20 p.m.
On the edit distance function of the random graph.
Ryan R. Martin*, Iowa State University
Alex W.N. Riasanovsky, Karlsruhe Institute of Technology
(117105147) 
4:50 p.m.
Minimum balanced bipartitions of planar triangulations.
Abhinav Shantanam*, Simon Fraser University
(117105228) 
5:10 p.m.
Open Discussion.

3:10 p.m.

Sunday October 10, 2021, 3:10 p.m.6:00 p.m.
Special Session on Progress in Nonlinear Waves, IV
Special Session 4, American Mathematical Society
Organizers:
David Ambrose, Drexel University dma68@drexel.edu

3:10 p.m.
Dynamics in particle suspension flow.
Li Wang*, University of Minnesota
(117135172) 
3:40 p.m.
Conservation laws for water waves and asymptotic models.
Katie L. Oliveras*, Seattle University
(117176203) 
4:00 p.m.
Break. 
4:20 p.m.
Random FPUT Chains.
J. Douglas Wright*, Drexel University
(117135101) 
5:10 p.m.
Open Discussion.

3:10 p.m.

Sunday October 10, 2021, 3:10 p.m.6:00 p.m.
Special Session on Quiver Representations: Bridging Theory and Application, IV
Special Session 2, American Mathematical Society
Organizers:
Yariana Diaz, University of Iowa
Cody Gilbert, University of Iowa
Ryan Kinser, University of Iowa ryankinser@uiowa.edu
Amrei Oswald, University of Iowa

3:10 p.m.
Dihedral actions on type $A$ preprojective algebras.
Jacob Barahona Kamsvaag, Miami University
Jason Gaddis*, Miami University
(11711622) 
3:40 p.m.
Nice $\mathbb{F}_1$representations of quivers.
Alexander H. Sistko*, Manhattan College
Jaiung Jun, SUNY New Paltz
(11711684) 
4:00 p.m.
Break. 
4:20 p.m.
A deformation theory of finite dimensional modules over repetitive algebras.
Adriana M. FonceCamacho, Universidad de Antioquia
Hernan Giraldo, Universidad de Antioquia
Pedro Rizzo, Universidad de Antioquia
Jose A VelezMarulanda*, Valdosta State University
(11711633) 
4:50 p.m.
Degree bounds for invariant skew polynomials.
Francesca Gandini*, Kalamazoo College
(117116167) 
5:10 p.m.
Open Discussion.

3:10 p.m.

Sunday October 10, 2021, 3:10 p.m.6:00 p.m.
Special Session on Recent Advances in Numerical Methods for Partial Differential Equations, IV
Special Session 1, American Mathematical Society
Organizers:
Mahboub Baccouch, University of Nebraska at Omaha mbaccouch@unomaha.edu
Slimane Adjerid, Virginia Tech

3:10 p.m.
Spectral element MomentClosures for kinetic models.
James A. Rossmanith*, Iowa State University
Christine Vaughan, Iowa State University
Alberto Passalacqua, Iowa State University
(117165214) 
3:40 p.m.
The second boundary value problem for a discrete MongeAmpere equation.
Gerard Awanou*, University of illinois at Chicago
(11716559) 
4:00 p.m.
Break. 
4:20 p.m.
Efficient predictor algorithms of implicit methods for initial value problems.
Laurent O. Jay*, University of Iowa
(11716579) 
4:50 p.m.
An introduction to numerical analysis of hemivariational inequalities.
Weimin Han*, University of Iowa
(11716569) 
5:10 p.m.
Open Discussion.

3:10 p.m.

Sunday October 10, 2021, 3:10 p.m.6:00 p.m.
Special Session on Theoretical and Applied Aspects of Nonlocal Equations, IV
Special Session 6, American Mathematical Society
Organizers:
Animesh Biswas, University of NebraskaLincoln
Petronela Radu, University of NebraskaLincoln
Mary Vaughan, The University of Texas at Austin maryv@utexas.edu

3:10 p.m.
Regularity of almost minimizers with free boundary.
Guy David, University of Paris Sud
Max Engelstein, University of Minnesota
Mariana Smit Vega Garcia*, Western Washington University
Tatiana Toro, University of Washington
(11713518) 
3:40 p.m.
Asymptotic mean value formulas for nonlinear equations.
Fernando Charro*, Wayne State University
(11713520) 
4:00 p.m.
Break. 
4:20 p.m.
Comparing and contrasting two nonlocal biharmonic operators.
Nicole Buczkowski*, University of NebraskaLincoln
Mikil Foss, University of NebraskaLincoln
Michael Parks, Sandia National Laboratories
Jeremy Trageser, Sandia National Laboratories
Petronela Radu, University of NebraskaLincoln
(117145178) 
4:50 p.m.
Nonlinear diffusion in the nonlocal setting.
Hayley Anne Olson*, University of NebraskaLincoln
Mikil Foss, University of NebraskaLincoln
Petronela Radu, University of NebraskaLincoln
(117135186) 
5:10 p.m.
Open Discussion.

3:10 p.m.
Inquiries: meet@ams.org