American Mathematical Society

AMS Sectional Meeting Program by Day

Current as of Saturday, April 24, 2021 03:30:05

Inquiries: meet@ams.org

Spring Central Sectional Meeting (formerly at the University of Cincinnati)

now meeting virtually, CDT (hosted by the American Mathematical Society), Cincinnati, OH
April 17-18, 2021 (Saturday - Sunday)
Meeting #1166

Associate secretary:

Georgia Benkart, AMS benkart@math.wisc.edu

AMS 2021 Spring Sectional Meetings will be held VIRTUALLY on the originally planned dates. Further details will be posted as soon as they are available. Send questions to meet@ams.org.

Sunday April 18, 2021

Sunday April 18, 2021, 8:30 a.m.-11:30 a.m.
Special Session on Interactions between Representation Theory, Poisson Geometry, and Noncommutative Algebra, III
Special Session 5, AMS
Organizers:
Jason Gaddis, Miami University gaddisj@miamioh.edu
Padmini Veerapen, Tennessee Technological University
Xingting Wang, Howard University
- 8:30 a.m.
  Convolution algebras and integration of Poisson manifolds.
  Ivan Contreras*, Amherst College
  Nima Moshayedi, University of Zurich
  Konstantin Wernli, University of Notre Dame, USA
  (1166-53-34)
- 9:00 a.m.
  Triangulations of the infinity-gon via Grassmannian categories of infinite rank.
  Jenny August, Max Planck Institute for Mathematics
  Man-Wai Cheung, Harvard University
  Eleonore M Faber*, University of Leeds
  Sira Gratz, University of Glasgow
  Sibylle Schroll, University of Cologne
  (1166-13-78)
- 9:30 a.m.
  Two boundary degenerate affine Hecke (Clifford) algebras for Lie super algebras $\mathfrak{gl}(m|n)$ and $\mathfrak{q}(n)$.
  Jieru Zhu*, Okinawa Institute of Science and Technology
  (1166-16-104)
- 10:00 a.m.
  Irreducible components of two-row Springer fibers for all classical types.
  Mee Seong Im*, United States Naval Academy, Annapolis, MD 21402
  Chun-Ju Lai, Academia Sinica, Taipei, Taiwan 10617
  Arik Wilbert, University of Georgia, Athens, GA 30602
  (1166-14-145)
- 10:20 a.m.
  Break.
- 10:40 a.m.
  Dual coalgebras of twisted tensor products.
  Manuel L. Reyes*, University of California, Irvine
  (1166-16-42)
- 11:10 a.m.
  A quantum double construction for quantum symmetric spaces.
  Stefan Kolb, Newcastle University
  Milen Yakimov*, Northeastern University
  (1166-22-90)

Sunday April 18, 2021, 8:30 a.m.-11:30 a.m.
Special Session on Legendrian Knots and Surfaces, III
Special Session 3, AMS
Organizers:
Honghao Gao, Michigan State University gaohongh@msu.edu
Dan Rutherford, Ball State University
- 8:30 a.m.
  The ungraded colored ruling polynomial and the colored Kauffman polynomial.
  Justin Murray*, Louisiana State University
  Dan Rutherford, Ball State University
  (1166-53-70)
- 9:00 a.m.
  Lagrangian Realizations of Ribbon Cobordisms.
  John Etnyre, Georgia Institute of Technology
  Caitlin Leverson*, Bard College
  (1166-57-116)
- 9:30 a.m.
  Reverse Lagrangian surgery on fillings.
  Orsola Capovilla-Searle, Duke University
  Noémie Legout, Uppsala University
  Maÿlis Limouzineau, University of Cologne
  Emmy Murphy, Northwestern University
  Yu Pan*, MIT
  Lisa Traynor, Bryn Mawr College
  (1166-57-8)
- 10:00 a.m.
  Quasipositive surfaces and decomposable Lagrangians.
  Lev Tovstopyat-Nelip*, Michigan State University
  (1166-57-80)
- 10:20 a.m.
  Break.
- 10:40 a.m.
  Towards a braid theory of codimension 2 contact submanifolds.
  Jeremy Van Horn-Morris*, University of Arkansas
  Amey Kaloti, Montreal, CA
  (1166-57-163)
- 11:10 a.m.
  Log Canonical Threshhold and contact isotopy.
  Amey Kaloti*, Montreal, Canada.
  (1166-57-157)

Sunday April 18, 2021, 8:30 a.m.-11:30 a.m.
Special Session on Sharp Estimates in Harmonic Analysis, III
Special Session 2, AMS
Organizers:
Kabe Moen, University of Alabama
Leonid Slavin, University of Cincinnati leonid.slavin@uc.edu
Alex Stokolos, Georgia Southern University
- 8:30 a.m.
  Compactness of two generalized Radon transforms.
  Chandan Biswas*, Postdoc, Indian Institute of Science
  (1166-42-135)
- 9:00 a.m.
  Good and bad news on matrix weights.
  Stefanie Petermichl*, Universitaet Wuerzburg
  (1166-42-112)
- 9:30 a.m.
  Agmon Theory and decay estimates for the fundamental solution of an elliptic system with matrix potential.
  Joshua Brough Isralowitz*, University at Albany, SUNY
  Blair Davey, Montana State University
  (1166-35-103)
- 10:00 a.m.
  Sharp constant estimates for matrix weighted inequalities.
  David V. Cruz-Uribe*, University of Alabama
  Kabe Moen, University of Alabama
  Joshua Isralowitz, SUNY Albany
  Sandra Pott, University of Lund, Sweden
  Israel Rivera-Rios, Universidad Nacional del Sur, Argentina
  (1166-42-106)
- 10:20 a.m.
  Break.
- 10:40 a.m.
  Another proof of the matrix-weighted Poincare inequality of Isralowitz and Moen.
  Michael W. Frazier*, University of Tennessee
  (1166-42-47)
- 11:10 a.m.
  On bodies floating in equilibrium in every direction.
  Dmitry Ryabogin*, Kent State University
  (1166-52-29)

Sunday April 18, 2021, 8:45 a.m.-10:10 a.m.
Contributed Paper Session on AMS Contributed Paper Session, II
Contributed Paper Session, AMS
- 8:45 a.m.
  A Natural Disasters Index.
  Thilini V Mahanama*, Texas Tech University
  Abootaleb Shirvani, Texas Tech University
  (1166-91-177)
- 9:00 a.m.
  Minimizing disease spread on a quarantined cruise ship: A model of COVID-19 with asymptomatic infections.
  Berlinda Batista, Howard University
  Drew Dickenson, Howard University
  Katharine Gurski, Howard University
  Malick Kebe*, Howard University
  Naomi Rankin, Howard University
  (1166-92-173)
- 9:15 a.m.
  Probabilistic approach to a cell growth model and Dickman law.
  Gregory Derfel, Ben-Gurion University of the Negev Beersheba, Israel
  Yaqin Feng*, Ohio University
  Stanislav Molchanov, University of North Carolina at Charlotte
  (1166-60-28)
- 9:30 a.m.
  Regime-switching jump diffusion processes with countable regimes : Feller, strong Feller, irreducibility and exponential ergodicity.
  Khwanchai Kunwai*, University of Wisconsin-Milwaukee
  Chao Zhu, University of Wisconsin-Milwaukee
  (1166-60-27)
- 9:45 a.m.
  Distributional heavy-tailedness and the stability of an equilibrium in a distributed delay symmetric network.
  Israel Ncube*, Alabama A & M University
  (1166-37-174)
- 10:00 a.m.
  Solution of the mixed formulation for generalized Forchheimer flows of isentropic gases.
  Thinh Kieu*, University of North Georgia
  (1166-35-13)

Sunday April 18, 2021, 9:00 a.m.-11:30 a.m.
Special Session on Commutative Algebra, III
Special Session 7, AMS
Organizers:
Ayah Almousa, Cornell University
Sean Sather-Wagstaff, Clemson University ssather@clemson.edu
- 9:00 a.m.
  Unexpected hypersurfaces and when to expect them.
  Giuseppe Favacchio, University of Torino
  Elena Guardo, University of Catania
  Brian Harbourne, University of Nebraska
  Juan Migliore*, University of Notre Dame
  (1166-13-46)
- 10:00 a.m.
  Stillman's question for twisted commutative algebras.
  Karthik Ganapathy*, University of Michigan, Ann Arbor
  (1166-13-115)
- 10:20 a.m.
  Break.
- 10:40 a.m.
  Geometric equations for matroid varieties.
  Ashley K. Wheeler*, Mount Holyoke College
  Jessica Sidman, Mount Holyoke College
  Will Traves, US Naval Academy
  (1166-13-139)
- 11:10 a.m.
  Degenerations of matrix Schubert varieties through geometric vertex decomposition and bumpless pipe dreams.
  Patricia Klein*, University of Minnesota
  Anna Weigandt, University of Michigan
  (1166-13-93)

Sunday April 18, 2021, 9:00 a.m.-11:30 a.m.
Special Session on Graph Theory and Applications, III
Special Session 9, AMS
Organizers:
Katherine F. Benson, University of Wisconsin-Stout
Christine A. Kelley, University of Nebraska-Lincoln ckelley2@unl.edu
JD Nir, University of Manitoba
- 9:00 a.m.
  Generalized saturation problems for cliques and stars.
  Jamie Radcliffe, University of Nebraska-Lincoln
  Adam Volk*, University of Nebraska-Lincoln
  (1166-05-60)
- 9:30 a.m.
  Multicolor extremal problems.
  Michael Tait*, Villanova University
  (1166-05-109)
- 10:00 a.m.
  A survey of Berge-Turán hypergraph problems.
  Cory Palmer*, University of Montana
  (1166-05-160)
- 10:20 a.m.
  Break.
- 10:40 a.m.
  Product throttling for power domination.
  Daniela Ferrero*, Texas State University
  (1166-05-142)
- 11:10 a.m.
  Lights Out on graph products over the ring of integers modulo k.
  Travis Peters*, College of Saint Benedict & Saint John's University
  Ryan Munter, College of Saint Benedict & Saint John's University
  (1166-15-30)

Sunday April 18, 2021, 9:00 a.m.-11:30 a.m.
Special Session on Nonsmooth Analysis and Geometry, III
Special Session 1, AMS
Organizers:
Luca Capogna, Worcester Polytechnic Institute
Gareth Speight, University of Cincinnati
Nageswari Shanmugalingam, University of Cincinnati shanmun@uc.edu
- 9:00 a.m.
  Analytic capacity and projections.
  Alan Chang*, Princeton University
  Xavier Tolsa, Universitat Autònoma de Barcelona
  (1166-28-55)
- 9:30 a.m.
  Purely 1-unrectifiable metric spaces and Whitney quasiarcs.
  Ramón J. Aliaga, Universitat Politècnica de València
  Chris Gartland*, Texas A&M University
  Colin Petitjean, LAMA, Univ Gustave Eiffel, UPEM, Univ Paris Est Creteil, CNRS
  Antonín Procházka, Laboratoire de Mathématiques de Besançon UMR 6623, Université Bourgogne Franche-Comté, CNRS
  (1166-28-17)
- 10:00 a.m.
  Radon measures and Lipschitz graphs.
  Lisa Naples*, Macalester College
  (1166-28-48)
- 10:20 a.m.
  Break.
- 10:40 a.m.
  Singular integrals on regular, smooth curves in Carnot groups and Banach duals.
  Vasileios Chousionis, University of Connecticut
  Sean Li, University of Connecticut
  Scott Zimmerman*, The Ohio State University at Marion
  (1166-42-10)
- 11:10 a.m.
  Updates on Traveling Salesman in Banach spaces.
  Matthew Badger*, University of Connecticut
  (1166-30-43)

Sunday April 18, 2021, 9:00 a.m.-10:40 a.m.
Special Session on Probabilistic and Diffusion Methods in Analysis and Geometry, III
Special Session 4, AMS
Organizers:
Rodrigo Bañuelos, Purdue University
Jing Wang, Purdue University
Ju-Yi Yen, University of Cincinnati ju-yi.yen@uc.edu
- 9:00 a.m.
  A small ball problem for a hypoelliptic Brownian motion in Heisenberg group.
  Masha Gordina*, University of Connecticut
  (1166-60-114)
- 9:30 a.m.
  A small ball problem for the random string.
  Carl Mueller*, University of Rochester
  Siva Athreya, Indian Statistical Institute, Bangalore
  Mathew Joseph, Indian Statistical Institute, Bangalore
  (1166-60-31)
- 10:20 a.m.
  Break.
- 10:40 a.m.
  Can you hear the fundamental frequency of a drum using probability?
  Rodrigo Bañuelos, Purdue University
  Phanuel Mariano*, Union College
  Jing Wang, Purdue University
  (1166-60-120)
- 11:10 a.m.
  A penalized boundary obstacle problem for the bi-Laplacian.
  Donatella Danielli*, Arizona State University
  Alaa Haj Ali, Purdue University
  (1166-35-117)

Sunday April 18, 2021, 9:00 a.m.-11:30 a.m.
Special Session on Recent Progress in Analytic Number Theory, III
Special Session 6, AMS
Organizers:
Seungki Kim, University of Cincinnati seungki.math@gmail.com
Xiannan Li, Kansas State University
Xuancheng Fernando Shao, University of Kentucky
- 9:00 a.m.
  Equidistribution of $\alpha p^{\theta}$ with a Chebotarev condition and applications to extremal primes.
  Amita Malik*, American Institute of Mathematics
  Neha Prabhu, IISER, Pune
  (1166-11-125)
- 9:30 a.m.
  Modular zeros in the character table of the symmetric group.
  Sarah Peluse*, Princeton/IAS
  Kannan Soundararajan, Stanford
  (1166-11-147)
- 10:00 a.m.
  First moments of Rankin-Selberg convolutions of Automorphic forms on $GL(2)$.
  Jeff Hoffstein, Brown University
  Maria M. Nastasescu, Northwestern University
  Min Lee*, University of Bristol
  (1166-11-96)
- 10:20 a.m.
  Break.
- 10:40 a.m.
  An improved spectral large sieve inequality for $SL_3(\mathbb{Z})$.
  Matthew P Young*, Texas A&M University
  (1166-11-175)

Sunday April 18, 2021, 11:45 a.m.-12:35 p.m.
Invited Address
Organizers:
Georgia Benkart, University of Wisconsin, Madison
Heat flow and sets of finite perimeter.
Invited Address, AMS
Fabrice Baudoin*, University of Connecticut
(1166-00-180)

Sunday April 18, 2021, 2:00 p.m.-2:50 p.m.
Invited Address
Organizers:
Georgia Benkart, University of Wisconsin, Madison
Recent progress in analytic number theory.
Invited Address, AMS
Maksym Radziwill*, Caltech
(1166-00-182)

Sunday April 18, 2021, 3:10 p.m.-5:40 p.m.
Special Session on Commutative Algebra, IV
Special Session 7, AMS
Organizers:
Ayah Almousa, Cornell University
Sean Sather-Wagstaff, Clemson University ssather@clemson.edu
- 3:10 p.m.
  Symbolic powers and free resolutions of generalized star configurations of hypersurfaces.
  Kuei-Nuan Lin*, Penn State University, Greater Allegheny
  Yi-Huang Shen, University of Science and Technology of China
  (1166-13-58)
- 3:40 p.m.
  Quadratic Gorenstein rings and the Koszul property.
  Matthew Mastroeni*, Oklahoma State University
  Hal Schenck, Auburn University
  Mike Stillman, Cornell University
  (1166-13-130)
- 4:00 p.m.
  Break.
- 4:20 p.m.
  Computing Multigraded Castelnuovo-Mumford Regularity on Products of Projective Spaces.
  Lauren Cranton Heller, University of California, Berkeley
  Mahrud Sayrafi*, University of Minnesota, Twin Cities
  (1166-13-144)
- 4:50 p.m.
  The top weight cohomology of $\mathcal{A}_{g}$.
  Juliette Bruce*, University of California, Berkeley
  (1166-13-18)
- 5:10 p.m.
  Open discussion.

Sunday April 18, 2021, 3:10 p.m.-5:40 p.m.
Special Session on Interactions between Representation Theory, Poisson Geometry, and Noncommutative Algebra, IV
Special Session 5, AMS
Organizers:
Jason Gaddis, Miami University gaddisj@miamioh.edu
Padmini Veerapen, Tennessee Technological University
Xingting Wang, Howard University
- 3:10 p.m.
  Fixed rings of twisted generalized Weyl algebras.
  Jason Gaddis, Miami University
  Daniele Rosso*, Indiana University Northwest
  (1166-16-11)
- 3:40 p.m.
  Local stucture of noncommutative varieties.
  Daniel Rogalski*, UCSD
  Jason Gaddis, Miami University
  (1166-16-168)
- 4:00 p.m.
  Break.
- 4:20 p.m.
  Global Weyl module of quantum affine algebra and Yangian.
  Matthew Lee, University of Illinois at Chicago
  Bach Nguyen*, Xavier University of Louisiana
  Prasad Senesi, Catholic University of America
  (1166-16-129)
- 4:50 p.m.
  Frobenius $A_{\infty}$-Algebras.
  Cody A Tipton*, University of Washington
  (1166-90-86)
- 5:10 p.m.
  Open Discussion.

Sunday April 18, 2021, 3:10 p.m.-5:40 p.m.
Special Session on Legendrian Knots and Surfaces, IV
Special Session 3, AMS
Organizers:
Honghao Gao, Michigan State University gaohongh@msu.edu
Dan Rutherford, Ball State University
- 3:10 p.m.
  Displacing Legendrians.
  Michael G Sullivan*, UMass-Amherst
  Georgios Dimitroglou Rizell, Upsalla University
  (1166-53-50)
- 3:40 p.m.
  A Legendrian Turaev torsion via generating families.
  Daniel Alvarez-Gavela*, MIT
  (1166-53-6)
- 4:00 p.m.
  Break.
- 4:20 p.m.
  The double branched cover of a knot and augmentations in knot contact homology.
  Christopher R Cornwell*, Towson University
  (1166-57-152)
- 4:50 p.m.
  Studying Legendrian surfaces with N-graphs.
  Eric Zaslow*, Northwestern University
  (1166-57-87)
- 5:20 p.m.
  Augmentations and representations for Legendrian Weaves of 2-Graphs.
  Kevin Sackel*, Stony Brook University / Simons Center for Geometry and Physics
  (1166-57-84)

Sunday April 18, 2021, 3:10 p.m.-5:40 p.m.
Special Session on Nonsmooth Analysis and Geometry, IV
Special Session 1, AMS
Organizers:
Luca Capogna, Worcester Polytechnic Institute
Gareth Speight, University of Cincinnati
Nageswari Shanmugalingam, University of Cincinnati shanmun@uc.edu
- 3:10 p.m.
  The Co-area inequality.
  Behnam Esmayli*, University of Pittsburgh
  Piotr Hajlasz, University of Pittsburgh
  (1166-28-108)
- 3:40 p.m.
  Regularity of 2d Mumford-Shah minimizers.
  Camillo De Lellis, Institute for Advanced Study
  Matteo Focardi, Università degli Studi di Firenze
  Silvia Ghinassi*, University of Washington
  (1166-35-169)
- 4:00 p.m.
  Break.
- 4:20 p.m.
  A metric sphere not a quasisphere but for which every weak tangent is Euclidean.
  Angela Wu*, Indiana University Bloomington
  (1166-51-138)
- 4:50 p.m.
  The visual sphere of an expanding Thurston map.
  Mario Bonk*, University of California, Los Angeles
  (1166-30-111)
- 5:10 p.m.
  Open Discussion.

Sunday April 18, 2021, 3:10 p.m.-5:40 p.m.
Special Session on Probabilistic and Diffusion Methods in Analysis and Geometry, IV
Special Session 4, AMS
Organizers:
Rodrigo Bañuelos, Purdue University
Jing Wang, Purdue University
Ju-Yi Yen, University of Cincinnati ju-yi.yen@uc.edu
- 3:10 p.m.
  New projective conditions for additive functionals of Markov chains.
  Magda Peligrad*, University of Cincinnati
  (1166-68-62)
- 3:40 p.m.
  The ratio of two continuous state branching processes with immigration.
  Maria Emilia Caballero*, Instituto de matemáticas UNAM, Mexico
  Adrian González Casanova, Instituto de Matemáticas UNAM
  Jose Luis Perez-Garmendia, CIMAT
  (1166-60-155)
- 4:00 p.m.
  Break.
- 4:20 p.m.
  The cutoff phenomenon in total variation for nonlinear Langevin systems with small layered stable noise.
  Gerardo Barrera, University of helsinky
  Juan Carlos Pardo*, Centro de Investigación en Matemáticas
  Michael Anton Hoegele, Universidad de los Andes
  (1166-60-171)
- 4:50 p.m.
  Archimedes' principle for a ball in ideal gas.
  Krzysztof Burdzy*, University of Washington
  Jacek Malecki, Technical University of Wroclaw
  (1166-60-32)
- 5:10 p.m.
  Open Discussion.

Sunday April 18, 2021, 3:10 p.m.-5:40 p.m.
Special Session on Recent Progress in Analytic Number Theory, IV
Special Session 6, AMS
Organizers:
Seungki Kim, University of Cincinnati seungki.math@gmail.com
Xiannan Li, Kansas State University
Xuancheng Fernando Shao, University of Kentucky
- 3:10 p.m.
  An introduction to Parametric Geometry of Numbers.
  Damien Roy*, University of Ottawa
  (1166-11-25)
- 4:00 p.m.
  Break.
- 4:20 p.m.
  Small values at integer points of generic subhomogeneous functions.
  Dmitry Kleinbock, Brandeis University
  Mishel Skenderi*, Brandeis University
  (1166-11-85)
- 4:50 p.m.
  Higher order convexity and iterated convolution.
  Brandon Hanson*, UGA
  Brandon Hanson, Bristol
  Oliver Roche-Newton, RICAM
  Misha Rudnev, Bristol
  (1166-11-141)
- 5:20 p.m.
  Uniformity of the Möbius function in $\mathbf{F}_q[t]$.
  Thai Hoang Le*, University of Mississippi
  Pierre-Yves Bienvenu, Max Planck Institute for Mathematics
  (1166-11-178)

Sunday April 18, 2021, 3:10 p.m.-5:40 p.m.
Special Session on Sharp Estimates in Harmonic Analysis, IV
Special Session 2, AMS
Organizers:
Kabe Moen, University of Alabama
Leonid Slavin, University of Cincinnati leonid.slavin@uc.edu
Alex Stokolos, Georgia Southern University
- 3:10 p.m.
  Pointwise ergodic theorems for bilinear polynomial averages.
  Mariusz Mirek*, Rutgers University
  (1166-42-140)
- 3:40 p.m.
  Lattice points problem and ergodic theorems for certain arithmetic spheres.
  Bartosz Langowski*, Indiana University, Bloomington
  (1166-42-19)
- 4:00 p.m.
  Break.
- 4:20 p.m.
  Some sharp results on rotational nonlinear Schrödinger equations.
  Nyla Basharat, University of Saskatchewan
  Hichem Hajaiej, California State University, Los Angeles
  Yi Hu*, Georgia Southern University
  Shijun Zheng, Georgia Southern University
  (1166-35-89)
- 4:50 p.m.
  The asymptotic expansions of the $L^2$-norm of the solutions to the heat and dissipative wave equations on the Heisenberg group.
  Lijing Sun*, University of Wisconsin-Milwaukee
  H Volkmer, University of Wisconsin-Milwaukee
  P Walker, University of Wisconsin-Milwaukee
  (1166-35-35)
- 5:20 p.m.
  Sobolev contractivity of gradient flow maximal functions.
  S Bortz*, University of Alabama
  M Egert, Université Paris-Sud
  O Saari, Universität Bonn
  (1166-42-148)

Inquiries: meet@ams.org