AMS Sectional Meeting Program by Day
Current as of Saturday, October 30, 2021 03:30:04
Fall Western Sectional Meeting (formerly at University of New Mexico)
 now meeting virtually, PDT (hosted by the American Mathematical Society), Virtual, RI
 October 2324, 2021 (Saturday  Sunday)
 Meeting #1172
Associate Secretary for the AMS Scientific Program:
Michel L Lapidus, AMS lapidus@math.ucr.edu
Sunday October 24, 2021

Sunday October 24, 2021, 7:30 a.m.6:00 p.m.
Information Room 
Sunday October 24, 2021, 8:00 a.m.11:10 a.m.
Special Session on Arithmetic Geometry, III
Special Session 25, American Mathematical Society
Organizers:
Taylor Dupuy, University of Vermont taylor.dupuy@uvm.edu
Alexandru Buium, University of New Mexico

8:00 a.m.
Elliptic Witt vectors and jet spaces.
James M. Borger*, Australian National University
(117211237) 
9:00 a.m.
On $p$adic uniformization of abelian varieties with good reduction.
Adrian Iovita, Concordia University and Universita degli Studi di Padova
Jackson S. Morrow*, UC Berkeley
Alexandru Zaharescu, University of Illinois UrbanaChampaign and Institute of Mathematics of the Romanian Academy
(117211197) 
10:00 a.m.
Break. 
10:30 a.m.
Heights and Tamagawa numbers of motives.
Tung T. Nguyen*, University of Chicago/Western University
(117211102)

8:00 a.m.

Sunday October 24, 2021, 8:00 a.m.10:50 a.m.
Special Session on Commutative Ring Theory, IV
Special Session 4, American Mathematical Society
Organizers:
Louiza Fouli, New Mexico State University
Janet Vassilev, University of New Mexico jvassil@math.unm.edu

8:00 a.m.
The tree of quadratic transforms of a twodimensional regular local ring.
William Heinzer, Purdue University
K. Alan Loper, Ohio State University
Bruce Olberding*, New Mexico State University
Matt Toeniskoetter, Oakland University
(117213190) 
8:30 a.m.
Factorization in The Monoid of integrally closed ideals.
James Lewis*, Cornell University
(117213101) 
9:00 a.m.
Iterated mapping cones for strongly Koszul algebras.
Keller VandeBogert*, University of Notre Dame
(117213246) 
9:30 a.m.
Break. 
10:00 a.m.
Root polytopes, tropical types, and toric edge ideals.
Ayah Almousa*, University of Minnesota  Twin Cities
Anton Dochtermann, Texas State University
Benjamin Smith, University of Manchester
(11721385) 
10:30 a.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
(11721366)

8:00 a.m.

Sunday October 24, 2021, 8:00 a.m.12:00 p.m.
Special Session on Complex Analysis and Potential Theory, III
Special Session 12, American Mathematical Society
Organizers:
Alex Solynin, Texas Tech University
Stamatis Pouliasis, Texas Tech University
Iason Efraimidis, Texas Tech University
Brock Williams, Texas Tech University brock.williams@ttu.edu

8:00 a.m.
Recent developments around Bohr's Inequality.
Saminathan Ponnusamy*, Department of Mathematics, Indian Institute of Technology Madras, Chennai  600036, India
(117230323) 
9:00 a.m.
Semigroupfication of univalent selfmaps of the unit disc.
Oliver Roth*, University of Wuerzburg
Filippo Bracci, UNIVERSITA DI ROMA "TOR VERGATA"
(117230126) 
9:30 a.m.
Break. 
10:00 a.m.
Limits of harmonic and holomorphic functions along segments ending at the boundary.
Paul M. Gauthier*, Université de Montréal
Mohammad Shirazi, McGill University
(117231285) 
11:00 a.m.
A Keldystype approximation result for the Liouville equation.
Daniela Kraus*, University of Wuerzburg, Department of Mathematics
Daniel Pohl, University of Wuerzburg, Department of Mathematics
(117230125) 
11:30 a.m.
Discussion.

8:00 a.m.

Sunday October 24, 2021, 8:00 a.m.12:00 p.m.
Special Session on Elliptic and Parabolic Equations on Topics Arising from Models in Materials Science, III
Special Session 5, American Mathematical Society
Organizers:
Guanying Peng, Worcester Polytechnic Institute
Xiang Xu, Old Dominion University x2xu@odu.edu

8:00 a.m.
Wellposedness of the AbelsGarckeGrün model for twophase flows.
Andrea Giorgini*, Imperial College London / Department of Mathematics
(117235254) 
8:30 a.m.
Patterns in triblock copolymers: droplets, doublebubbles and coreshells.
Stan Alama, McMaster University
Lia Bronsard*, McMaster University
XinYang Lu, Lakehead University
Chong Wang, Washington and Lee University
(11723541) 
9:00 a.m.
On a micromacro model for a reactive complex fluid: an energetic variational approach.
Yiwei Wang*, Illinois Institute of Technology
TengFei Zhang, China University of Geosciences
Chun Liu, Illinois Institute of Technology
(117235169) 
9:30 a.m.
Break. 
10:00 a.m.
Convergence of the TFDW energy to the liquid drop model.
Lorena Aguirre Salazar, Valdosta State University
Stan Alama*, McMaster University
Lia Bronsard, McMaster University
(117235122) 
10:30 a.m.
On global existence and blowup of solutions of stochastic KellerSegel type equation.
Oleksandr Misiats*, Virginia Commonwealth University
Oleksandr Stanzhytskyi, Taras Shevchenko National University of Kyiv, Ukraine
Ihsan Topaloglu, Virginia Commonwealth University
(117235104) 
11:00 a.m.
Rigidity of a nonelliptic differential inclusion related to the AvilesGiga conjecture.
Andrew Lorent*, University of Cincinnati
Guanying Peng, Worcester Polytechnic Institute
(117249177) 
11:30 a.m.
Discussion.

8:00 a.m.

Sunday October 24, 2021, 8:00 a.m.11:20 a.m.
Special Session on Extremal Polynomials, III
Special Session 18, American Mathematical Society
Organizers:
Maxim Zinchenko, University of New Mexico

8:00 a.m.
Extremal polynomials on a Jordan arc.
Gökalp Alpan*, Uppsala University
(11724145) 
9:00 a.m.
Integer polynomials with smallest norms.
Igor E. Pritsker*, Oklahoma State University
(11723088) 
10:00 a.m.
Break. 
10:30 a.m.
Orthogonal rational functions with real poles, root asymptotics, and GMP matrices.
Giorigo Young*, Rice University
Milivoje Lukić, Rice University
Benjamin Eichinger, Johannes Kepler University of Linz
(117239135) 
11:00 a.m.
Real zeros of random trigonometric polynomials with $ \ell $periodic coefficients.
Ali Pirhadi*, Georgia State University
(11722673)

8:00 a.m.

Sunday October 24, 2021, 8:00 a.m.10:50 a.m.
Special Session on Fractal Geometry and Dynamical Systems, III
Special Session 13, American Mathematical Society
Organizers:
Sangita Jha, National Institute of Technology Rourkela, India
Mrinal Kanti Roychowdhury, University of Texas Rio Grande Valley mrinal.roychowdhury@utrgv.edu
Saurabh Verma, Indian Institute of Technology Mandi, India

8:00 a.m.
On the structure of selfsimilar and selfaffine Jordan arcs in $\mathbb R^2$.
Andrei V. Tetenov*, Novosibirsk state university and GornoAltaisk state university
Olesya Chelkanova, GornoAltaisk State University
(117228317) 
8:30 a.m.
Quantization for probability distributions.
Mrinal Kanti Roychowdhury*, University of Texas Rio Grande Valley
(117237117) 
9:00 a.m.
Attractors of trees of maps, sequences of maps between spaces with applications to fractal interpolation.
Peter R. Massopust*, Technical University of Munich
(11723752) 
9:30 a.m.
Break. 
10:00 a.m.
Nonhomogeneous pLaplacian equations on the Sierpinski gasket.
Abhilash Sahu*, Indian Institute of Technology Guwahati
Guru Prem Prasad Mahalingam, Indian Institute of Technology Guwahati
(11723598) 
10:30 a.m.
A note on fractal dimension for a class of fractal interpolation functions.
Sangita Jha*, National Institute of Technology Rourkela, India
Saurabh Verma, Indian Institute of Information Technology Allahabad
(11722897)

8:00 a.m.

Sunday October 24, 2021, 8:00 a.m.12:00 p.m.
Special Session on Geometry and Geometric Analysis, III
Special Session 20, American Mathematical Society
Organizers:
Charles Boyer, University of New Mexico
Hongnian Huang, University of New Mexico
Junqing Qian, University of New Mexico jqian20@unm.edu

8:00 a.m.
Virtual Coffee/Tea Time. 
8:30 a.m.
Existence of static vacuum extensions with prescribed Bartnik boundary data.
Zhongshan An, University of Connecticut
LanHsuan Huang*, University of Connecticut
(11725381) 
9:00 a.m.
Hyperbolic mass via horospheres.
Hyun Chul Jang*, University of Miami
Pengzi Miao, University of Miami
(117253105) 
9:30 a.m.
Break. 
10:00 a.m.
Comparison results for threedimensional manifolds.
Ovidiu Munteanu*, Department of Mathematics, University of Connecticut
(11725379) 
10:30 a.m.
Sasakian geometry on sphere bundles.
Christina Wiis TønnesenFriedman*, Union College
(11725334) 
11:00 a.m.
Variational approach to the steady Generalized KählerRicci solitons.
Yury Ustinovskiy*, Lehigh University
(117258220) 
11:30 a.m.
Discussion.

8:00 a.m.

Sunday October 24, 2021, 8:00 a.m.11:50 a.m.
Special Session on Harmonic Analysis and Applications, III
Special Session 24, American Mathematical Society
Organizers:
Irina Holmes, Texas A /& M irinaholmes@tamu.edu
Maria Cristina Pereyra, University of New Mexico

8:00 a.m.
Boundedness of singular integrals on MusielakOrlicz Hardy spaces.
Benoit Sehba*, University of Ghana
(117242116) 
8:30 a.m.
Projections and distance set problem.
Hong Wang*, UCLA
Pablo Shmerkin, UBC
(117242310) 
9:00 a.m.
Weighted Inequalities for Haar multipliers.
Weiyan Huang*, Washington University in St. Louis
(11724223) 
9:30 a.m.
Break. 
10:00 a.m.
Two weight norm inequalities for singular and fractional integral operators in $\mathbb{R}^n$.
Christos Grigoriadis, Michigan State University
Michalis Paparizos, University of Indiana  Bloomington
Eric Sawyer, McMaster University
ChunYen Shen, National Taiwan University
Ignacio UriarteTuero*, University of Toronto
(117242337) 
10:30 a.m.
Sparse bounds for Walsh multipliers.
Amalia Culiuc*, Amherst College
Wei Chen, Yangzhou University
Francesco Di Plinio, Washington University St Louis
Michael Lacey, Georgia Institute of Technology
Yumeng Ou, University of Pennsylvania
(117226148) 
11:00 a.m.
Agmon theory for uniformly elliptic systems with a positive semidefinite matrix potential.
Joshua Isralowitz*, University at Albany, SUNY
Blair Davey, Montana State University
(117235345) 
11:30 a.m.
Twoweight Tb theorems for welllocalized operators.
Kelly Bickel*, Bucknell University
Brett Wick, Washington University in St. Louis
Taneli Korhonen, University of Eastern Finland
(11724767)

8:00 a.m.

Sunday October 24, 2021, 8:00 a.m.12:00 p.m.
Special Session on Harmonic Analysis: Geometry, Frames and Sampling, III
Special Session 19, American Mathematical Society
Organizers:
Stephen Casey, American University
Jens Christensen, Colgate University
Joseph Lakey, New Mexico State University jlakey@nmsu.edu

8:00 a.m.
Phase retrieval for affine groups over prime fields.
Hartmut Fuehr*, RWTH Aachen University
(117243231) 
8:30 a.m.
On the nonframe property of Gabor systems generated by Hermite functions.
Jakob Lemvig*, Technical University of Denmark
(117242240) 
9:00 a.m.
Phase retrieval for nilpotent groups.
Hartmut Führ, Lehrstuhl A Fur Mathematik, RWTH Aachen University
Vignon S Oussa*, Bridgewater State University
(117243174) 
9:30 a.m.
Break. 
10:00 a.m.
Atomic decomposition of Bergman spaces.
Gestur Olafsson*, Louisiana State University
Jens G. Christensen, Colgate University
(117243199) 
10:30 a.m.
Tight frame graphs.
Veronika Furst*, Fort Lewis College
Howard Grotts, University of Montana
(11724278) 
11:00 a.m.
Analyzing wavelet representations for wallpaper groups.
Judith A. Packer*, University of Colorado, Boulder
(11724256) 
11:30 a.m.
Discussion.

8:00 a.m.

Sunday October 24, 2021, 8:00 a.m.11:30 a.m.
Special Session on Hyperplane Arrangements in Connection with Commutative Algebra, III
Special Session 10, American Mathematical Society
Organizers:
KueiNuan Lin, Penn State University kul20@psu.edu
Federico Galetto, Cleveland State University

8:00 a.m.
Schemes associated to hyperplane and hypersurface arrangements.
Juan Migliore*, University of Notre Dame
Uwe Nagel, University of Kentucky
Hal Schenck, Auburn University
(11721322) 
8:30 a.m.
Containmenttight ideals from singular loci of reflection arrangements.
Benjamin Drabkin*, Singapore University of Technology and Design
Alexandra Seceleanu, University of NebraskaLincoln
(117213248) 
9:00 a.m.
Duality of asymptotic invariants for families of ideals.
Michael DiPasquale, University of South Alabama
Alexandra Seceleanu*, University of NebraskaLincoln
(117213170) 
9:30 a.m.
Break. 
10:00 a.m.
Rigidity, formality, and syzygies of the module of derivations of a line arrangement.
Michael DiPasquale*, University of South Alabama
Jessica Sidman, Mount Holyoke College
Will Traves, United States Naval Academy
(117213210) 
10:30 a.m.
On the Jacobian ideal of an almost generic hyperplane arrangement.
Ricardo Burity, Universidade Federal da Paraiba, Brazil
Aron Simis, Universidade Federal da Pernambuco, Brazil
Stefan O. Tohaneanu*, University of Idaho, USA
(11721363) 
11:00 a.m.
Discussion.

8:00 a.m.

Sunday October 24, 2021, 8:00 a.m.12:00 p.m.
Special Session on Inverse Problems: In Memory of Professor Zbigniew Oziewicz, III
Special Session 1, American Mathematical Society
Organizers:
Hanna Makaruk, Los Alamos National Laboratory hanna_m@lanl.gov
Robert Owczarek, University of New Mexico

8:00 a.m.
On the structure of Kauffman bracket skein modules.
Rhea Palak Bakshi*, ETH Zurich
(117257147) 
8:30 a.m.
Effective ultrapowers of directed graphs, Part I.
Valentina Harizanov*, George Washington University
Keshav Srinivasan, George Washington University
(117203184) 
9:00 a.m.
Effective ultrapowers of directed graphs, Part II.
Valentina Harizanov, The George Washington University
Keshav Srinivasan*, The George Washington University
(117203195) 
9:30 a.m.
Break. 
10:00 a.m.
Kauffman bracket versus Jones polynomial skein modules.
Razvan Gelca*, Texas Tech University
Shamon Almeida, Texas Tech University
(117257214) 
10:30 a.m.
Coefficients of Catalan states of lattice crossing  formulas and properties.
M. K. Dabkowski*, The University of Texas at Dallas
Cheyu Wu, The University of Texas at Dallas
(117257344) 
11:00 a.m.
A state summation invariant for knotoids.
Louis H. Kauffman*, University of Illinois at Chicago
(117257163) 
11:30 a.m.
Discussion.

8:00 a.m.

Sunday October 24, 2021, 8:00 a.m.11:20 a.m.
Special Session on Recent Advances in Inverse Problems for PDEs, III
Special Session 11, American Mathematical Society
Organizers:
DinhLiem Nguyen, Kansas State University dlnguyen@ksu.edu
Loc Nguyen, University of North Carolina at Charlotte
ThiPhong Nguyen, Purdue University

8:00 a.m.
Nonlocal PDEs in quantum optics.
John Schotland*, Yale University
(117235295) 
8:30 a.m.
Scattering, nonscattering, and inverse scattering.
Jingni Xiao*, Rutgers University
(117235349) 
9:00 a.m.
The fixed angle inverse scattering problem.
Rakesh*, University of Delaware
(117235181) 
9:30 a.m.
Break. 
10:00 a.m.
Inverse Born series method for a periodic inverse scattering problem.
DinhLiem Nguyen, Kansas State University
Trung T. Truong*, Kansas State University
Colin L. Williams, Kansas State University
(11723539) 
10:30 a.m.
Microlocal analysis of generalized Radon transforms from scattering tomography.
James Webber, Brigham and Womens Hospital
Eric Todd Quinto*, Tufts University
(11724421) 
11:00 a.m.
Techniques for resolution enhancement in the Dbar method for electrical impedance tomography.
Jennifer L. Mueller*, Colorado State University
(11723559)

8:00 a.m.

Sunday October 24, 2021, 8:00 a.m.11:20 a.m.
Special Session on Tensor Categories and Applications, III
Special Session 9, American Mathematical Society
Organizers:
Cain EdieMichell, Vanderbilt University
Julia Plavnik, Indiana University
Sean Sanford, Indiana University scsanfor@iu.edu

8:00 a.m.
Higher fusion categories as quantum homotopy types.
Theo JohnsonFreyd, Dalhousie University & Perimeter Institute for Theoretical Physics
David Reutter*, Max Planck Institute for Mathematics, Bonn
(117218251) 
8:30 a.m.
From subfactors to conformal field theories via physical models.
Ramona Wolf*, ETH Zurich
(117281257) 
9:00 a.m.
Biinvertible connections in subfactors, and tensor categories.
David Penneys, The Ohio State University
Emily Peters*, Loyola University Chicago
Emily Peters, Indiana University
(117218296) 
9:30 a.m.
Break. 
10:00 a.m.
A skein theoretic CarlssonMellit algebra.
Nicolle Gonzalez*, UCLA
Matt Hogancamp, Northeastern University
(117205343) 
10:30 a.m.
A lattice model for condensation in LevinWen systems.
Jessica Christian, University of Maryland, Baltimore College
David Green, Ohio State University
Peter Huston*, Ohio State University
David Penneys, Ohio State University
(117281263) 
11:00 a.m.
Pivotal categories, tangles, and the KashiwaraVergne groups.
Zsuzsanna Dancso, The University of Sydney
Iva Halacheva*, Northeastern University
Marcy Robertson, The University of Melbourne
(117222275)

8:00 a.m.

Sunday October 24, 2021, 8:00 a.m.12:00 p.m.
Special Session on Turbulence, Singularities, and Nonlinear Waves in Fluid Dynamics, Optics, and Plasmas, III
Special Session 16, American Mathematical Society
Organizers:
Alexander Korotkevich, University of New Mexico, Albuquerque alexkor@math.unm.edu
Pavel Lushnikov, University of New Mexico, Albuquerque

8:00 a.m.
Dynamical methods for studying stability and noise in frequency comb sources.
Curtis R. Menyuk*, University of Maryland Baltimore County
Logan Courtright, University of Maryland Baltimore County
Zhen Qi, University of Maryland Baltimore County
Shaokang Wang, University of Maryland Baltimore County
(11727851) 
8:30 a.m.
Variational methods for description of active porous media.
Vakhtang Putkaradze*, ATCO
(117274308) 
9:00 a.m.
The tale of two branch points: New approach to 2D potential flows.
Sergey A. Dyachenko*, University at Buffalo
Alexander I. Dyachenko, Landau Institute for Theoretical Physics
Vladimir E. Zakharov, University of Arizona
(117276286) 
9:30 a.m.
Break. 
10:00 a.m.
Using dynamicmode decomposition in coherent structure identification in weakly turbulent flows.
Christopher W Curtis*, San Diego State University
(117276229) 
10:30 a.m.
The spectra of "smallworld" networks and its corollaries on the dynamics on such networks.
Elizabeth Larson, University of Virginia
Christoph Kirst, Kavli Institute for Fundamental Neuroscience and Anatomy Department, University of California, San Francisco
Marija Vucelja*, University of Virginia
(117215202) 
11:00 a.m.
Logarithmic scaling and critical collapse in DaveyStewartson equation.
Pavel M. Lushnikov*, Department of Mathematics and Statistics, University of New Mexico
Natalia Vladimirova, Department of Mathematics and Statistics, University of New Mexico
(117276334) 
11:30 a.m.
Discussion.

8:00 a.m.

Sunday October 24, 2021, 8:30 a.m.11:20 a.m.
Special Session on Harmonic Analysis, III
Special Session 8, American Mathematical Society
Organizers:
David Beltran, University of WisconsinMadison dbeltran@math.wisc.edu
José Madrid, University of California, Los Angeles

8:30 a.m.
On the multiparameter Falconer distance problem.
Xiumin Du, Northwestern University
Yumeng Ou*, University of Pennsylvania
Ruixiang Zhang, University of California, Berkeley
(117242145) 
9:00 a.m.
Persistence properties for solutions of dispersive equations involving nonlocal operators.
Oscar Riano*, Florida International University FIU
(117235215) 
9:30 a.m.
Break. 
10:00 a.m.
Fourier restriction to the sphere is extremizable more often than not.
Taryn C. Flock*, Macalester College
Betsy Stovall, University of Wisconsin, Madison
(117242158) 
10:30 a.m.
Decoupling via scalebased approximations.
Dóminique Kemp*, University of WisconsinMadison
(11724233) 
11:00 a.m.
Discussion.

8:30 a.m.

Sunday October 24, 2021, 9:00 a.m.11:40 a.m.
Special Session on Equivariant and Motivic Homotopy Theory, III
Special Session 22, American Mathematical Society
Organizers:
Christy Hazel, UCLA chazel@math.ucla.edu
Michael Hill, UCLA

9:00 a.m.
$\beta$ elements detected by the 3primary image of $\mathit{tmf}$.
Eva Belmont*, UC San Diego
Katsumi Shimomura, Kochi University, Japan
(117255300) 
9:30 a.m.
The homotopy of $\mathbb{R}$motivic imageof$J$ spectrum.
Eva Belmont, University of San Diego
Dan Isaksen, Wayne State University
Hana Jia Kong*, Institute for Advanced Study
(117255100) 
10:00 a.m.
Break. 
10:30 a.m.
Replacing "group" with "category" in equivariance.
Robert C. Housden, Jr.*, University of California, Los Angeles
(117255351) 
11:00 a.m.
The Adams differentials on the classes $h_j^3$.
Zhouli Xu*, University of California, San Diego
(117255311)

9:00 a.m.

Sunday October 24, 2021, 12:00 p.m.1:00 p.m.
Meet with an AMS/MAA book editor during our Open Office Hours 
Sunday October 24, 2021, 2:00 p.m.3:40 p.m.
Special Session on Arithmetic Geometry, IV
Special Session 25, American Mathematical Society
Organizers:
Taylor Dupuy, University of Vermont taylor.dupuy@uvm.edu
Alexandru Buium, University of New Mexico

2:00 p.m.
A cutbycurves criterion for overconvergence of Fisocrystals.
Thomas Grubb*, UC San Diego
Kiran Kedlaya, UC San Diego
James Upton, UC San Diego
(117211216) 
3:00 p.m.
Derived and birational equivalences of the Hilbert scheme of points on a K3.
Libby Taylor*, Stanford University
Ravi Vakil, Stanford University
(117214137)

2:00 p.m.

Sunday October 24, 2021, 2:00 p.m.6:00 p.m.
Special Session on Complex Analysis and Potential Theory, IV
Special Session 12, American Mathematical Society
Organizers:
Alex Solynin, Texas Tech University
Stamatis Pouliasis, Texas Tech University
Iason Efraimidis, Texas Tech University
Brock Williams, Texas Tech University brock.williams@ttu.edu

2:00 p.m.
Weakly multiplicative distributions and weighted Dirichlet spaces.
Javad Mashreghi, Université Laval
Thomas Ransford*, Université Laval
(11723068) 
3:00 p.m.
Linear maps preserving inner functions.
Javad Mashreghi*, Quebec
Thomas Ransford, Laval University
(11723050) 
3:30 p.m.
Break. 
4:00 p.m.
Minimizing capacity among linear images of rotationally invariant conductors.
Richard S. Laugesen*, University of Illinois UrbanaChampaign
(11723138) 
4:30 p.m.
Transmission of harmonic functions and the Cauchy, Faber, and Schiffer operators.
Eric Schippers*, University of Manitoba
Wulf Staubach, Uppsala Universitet
(117230348) 
5:00 p.m.
SchwarzChristoffel mappings and finite Blaschke products.
Martin Chuaqui*, P. Universidad Catolica de Chile
(117230139) 
5:30 p.m.
Discussion.

2:00 p.m.

Sunday October 24, 2021, 2:00 p.m.3:00 p.m.
Special Session on Equivariant and Motivic Homotopy Theory, IV
Special Session 22, American Mathematical Society

2:00 p.m.
Discussion.
Christy Hazel, UCLA
Michael Hill, UCLA

2:00 p.m.

Sunday October 24, 2021, 2:00 p.m.6:00 p.m.
Special Session on Geometry and Geometric Analysis, IV
Special Session 20, American Mathematical Society
Organizers:
Charles Boyer, University of New Mexico
Hongnian Huang, University of New Mexico
Junqing Qian, University of New Mexico jqian20@unm.edu

2:00 p.m.
Continuity method of negative holomorphic curvature.
Damin Wu*, University of Connecticut
(117253109) 
2:30 p.m.
A proof of the TianYauDonaldson conjecture for general polarized manifolds with finite automorphism group.
Sean Timothy Paul*, University of Wisconsin at Madison
(117251186) 
3:00 p.m.
Explicit asymptotic expansion of the complete KählerEinstein metric on punctured Riemann sphere.
Junqing Qian*, University of New Mexico in Pure Math
(117253331) 
3:30 p.m.
Break. 
4:00 p.m.
nsuperharmonic functions and applications in differential geometry.
Shiguang Ma, Nankai University
Jie Qing*, UC Satna Cruz
(117253271) 
4:30 p.m.
Collapsing geometry of hyperkahler manifolds and applications.
Song Sun*, UC Berkeley
Ruobing Zhang, Princeton University
(117253134) 
5:00 p.m.
Discussion.

2:00 p.m.

Sunday October 24, 2021, 2:00 p.m.4:50 p.m.
Special Session on Harmonic Analysis, IV
Special Session 8, American Mathematical Society
Organizers:
David Beltran, University of WisconsinMadison dbeltran@math.wisc.edu
José Madrid, University of California, Los Angeles

2:00 p.m.
Maximal subspace averages.
Francesco Di Plinio*, Washington University in St. Louis
Ioannis Parissis, University of Basque Country and Ikerbasque
(117242172) 
2:30 p.m.
Directional square functions.
Natalia Accomazzo*, The University of British Columbia
F Di Plinio, Washington University in Saint Louis
P. Hagelstein, Baylor University
I. Parissis, University of the Basque Country
L. Roncal, Basque Center for Applied Mathematics
(117242140) 
3:00 p.m.
Banach spacevalued time frequency scale analysis.
Gennady Uraltsev*, University of Virginia
(117242160) 
3:30 p.m.
Break. 
4:00 p.m.
Singular BrascampLieb inequalities with cubical structure: extending the range of exponents.
Polona Durcik*, Chapman University
Lenka Slavíková, Charles University Prague
Christoph Thiele, University of Bonn
(117242194) 
4:30 p.m.
Decidability and periodicity of translational tilings.
Rachel Greenfeld*, University of California, Los Angeles
Terence Tao, University of California, Los Angeles
(117251205)

2:00 p.m.

Sunday October 24, 2021, 2:00 p.m.3:30 p.m.
Special Session on Harmonic Analysis: Geometry, Frames and Sampling, IV
Special Session 19, American Mathematical Society
Organizers:
Stephen Casey, American University
Jens Christensen, Colgate University
Joseph Lakey, New Mexico State University jlakey@nmsu.edu

2:00 p.m.
Analytic Bezout equations and sampling in rectangular and radial coordinates.
Stephen D. Casey*, American University
(11724164) 
2:30 p.m.
Atomic decomposition of Bergman spaces on tube type domains.
Jens Gerlach Christensen*, Colgate University
(117241243) 
3:00 p.m.
Discussion.

2:00 p.m.

Sunday October 24, 2021, 2:00 p.m.6:00 p.m.
Special Session on Inverse Problems: In Memory of Professor Zbigniew Oziewicz, IV
Special Session 1, American Mathematical Society
Organizers:
Hanna Makaruk, Los Alamos National Laboratory hanna_m@lanl.gov
Robert Owczarek, University of New Mexico

2:00 p.m.
Torsion in the magnitude homology of graphs.
Radmila Sazdanovic*, NC State Univeristy
Victor Summers, University of South Carolina Upstate
(117218305) 
2:30 p.m.
Exploring data from the chromatic graph polynomial with BallMapper.
Dan Scofield*, Francis Marion University
Radmila Sazdanovic, North Carolina State University
(117255306) 
3:00 p.m.
Cell decompositions of 2knot exteriors.
Samuel J. Lomonaco*, University of Maryland Baltimore County
(117257262) 
3:30 p.m.
Break. 
4:00 p.m.
Stated skein algebras and a geometric approach to quantum groups.
Thang T.Q. Le, Georgia Tech
Adam S. Sikora*, University at Buffalo, SUNY
(117257200) 
4:30 p.m.
Describing properties in magmas.
Jennifer Chubb, University of San Francisco
Valentina Harizanov, George Washington University
Dario Verta*, George Washington University
(117203209) 
5:00 p.m.
The Gram determinant of type generalized A.
Rhea Palak Bakshi, The George Washington University
Dionne F. Ibarra*, The George Washington University
Sujoy Mukherjee, The Ohio State University
Jozef H Przytycki, The George Washington University
(117257173) 
5:30 p.m.
Discussion.

2:00 p.m.

Sunday October 24, 2021, 2:00 p.m.6:50 p.m.
Special Session on Mathematics and Modeling of Phylogenetic Networks
Special Session 23, American Mathematical Society
Organizers:
James Degnan, University of New Mexico jamdeg@unm.edu
Gleb Zhelezov, University of New Mexico

2:00 p.m.
Phylogenetic comparative methods on species networks.
Paul Bastide*, CNRS, Université de Montpellier
Claudia SolísLemus, University of WisconsinMadison
Ricardo Kriebel, University of WisconsinMadison
K. William Sparks, University of WisconsinMadison
Cécile Ané, University of WisconsinMadison
(117262269) 
2:30 p.m.
Overview of the multispecies coalescent model on trees and networks, including some open problems in phylogenetics.
Elizabeth S. Allman*, University of Alaska Fairbanks
(117292287) 
3:00 p.m.
Identifiability of species network topologies from genomic sequences using the logDet distance.
Elizabeth S. Allman, University of Alaska Fairbanks
John A. Rhodes, University of Alaska Fairbanks
Hector Banos*, Dalhousie University
(117292288) 
3:30 p.m.
Break. 
4:00 p.m.
Identifiability of phylogenetic networks under the multispecies coalescent model.
Claudia SolisLemus*, University of WisconsinMadison
(117262258) 
4:30 p.m.
Computational approaches for the inference of phylogenetic network.
Yufeng Wu*, Dept. of Computer Science and Engineering, University of Connecticut
(117268239) 
5:00 p.m.
Trying out a million genes to find the perfect pair with MTrip.
Gleb Zhelezov*, University of New Mexico
James H. Degnan, University of New Mexico
(117292196) 
5:30 p.m.
Exploiting phylogenetic networks to compute the tree bisection and reconnection distance between two phylogenetic trees.
Steven Kelk, Maastricht University, Netherlands
Simone Linz*, University of Auckland, New Zealand
Georgios Stamoulis, Maastricht University, Netherlands
Wim van Wersch, Maastricht University, Netherlands
(117205225) 
6:00 p.m.
Building networks with caterpillars.
Charles Semple*, University of Canterbury
(117205276) 
6:30 p.m.
On the complexity of optimising variants of phylogenetic diversity on phylogenetic networks.
Magnus Bordewich, Department of Computer Science, Durham University
Charles Semple, School of Mathematics and Statistics, Canterbury University
Kristina Wicke*, Department of Mathematics, The Ohio State University
(117292281)

2:00 p.m.

Sunday October 24, 2021, 2:00 p.m.3:20 p.m.
Special Session on Recent Advances in Inverse Problems for PDEs, IV
Special Session 11, American Mathematical Society
Organizers:
DinhLiem Nguyen, Kansas State University dlnguyen@ksu.edu
Loc Nguyen, University of North Carolina at Charlotte
ThiPhong Nguyen, Purdue University

2:00 p.m.
Parameter identification problem in a Stochastic partial differential equation.
Baasansuren Jadamba*, Rochester Institute of Technology
(117249259) 
2:30 p.m.
Diffuse optical tomography with incomplete and noisy Cauchy data.
Nhan Tam Quyen Tran*, School of Medicine, Davis Health, UC Davis, USA
(117235113) 
3:00 p.m.
A novel nonlinear matrix system optimization technique with application to transcranial magnetic stimulation coil optimization through an inverse boundary element method PDE Formulation.
Justin R. Hill*, St. Philips College
(1172466)

2:00 p.m.

Sunday October 24, 2021, 2:00 p.m.4:50 p.m.
Special Session on Tensor Categories and Applications, IV
Special Session 9, American Mathematical Society
Organizers:
Cain EdieMichell, Vanderbilt University
Julia Plavnik, Indiana University
Sean Sanford, Indiana University scsanfor@iu.edu

2:00 p.m.
The relative Künneth theorem.
Pablo S. Ocal*, UCLA
(117218277) 
2:30 p.m.
Can a Zhang twist be a 2cocycle twist?
Hongdi Huang*, Rice University
Van Nguyen, United States Naval Academy
Charlotte Ure, University of Virginia
Kent Vashaw, Massachusetts Institute of Technology
Padmini Veerapen, Tennessee Tech University
Xingting Wang, Howard University
(117216312) 
3:00 p.m.
From torus bundles to particlehole equivariantization.
Xingshan Cui, Purdue University
Paul Gustafson, University of Pennsylvania
Yang Qiu, University of California, Santa Barbara
Qing Zhang*, Purdue University
(117218230) 
3:30 p.m.
Discussion. 
4:00 p.m.
FrobeniusSchur indicators and Morita equivalence for some families of quadratic fusion categories.
Henry J. Tucker*, University of California, Riverside
(117218347) 
4:30 p.m.
Classification of Z/2Zquadratic unitary fusion categories.
Cain EdieMichell, UC San Diego
Masaki Izumi, University of Kyoto
David Penneys*, The Ohio State University
(117218153)

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