AMS Sectional Meeting Program by Day
Current as of Saturday, April 24, 2021 03:30:05
Spring Central Sectional Meeting (formerly at the University of Cincinnati)
 now meeting virtually, CDT (hosted by the American Mathematical Society), Cincinnati, OH
 April 1718, 2021 (Saturday  Sunday)
 Meeting #1166
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
(11665334) 
9:00 a.m.
Triangulations of the infinitygon via Grassmannian categories of infinite rank.
Jenny August, Max Planck Institute for Mathematics
ManWai Cheung, Harvard University
Eleonore M Faber*, University of Leeds
Sira Gratz, University of Glasgow
Sibylle Schroll, University of Cologne
(11661378) 
9:30 a.m.
Two boundary degenerate affine Hecke (Clifford) algebras for Lie super algebras $\mathfrak{gl}(mn)$ and $\mathfrak{q}(n)$.
Jieru Zhu*, Okinawa Institute of Science and Technology
(116616104) 
10:00 a.m.
Irreducible components of tworow Springer fibers for all classical types.
Mee Seong Im*, United States Naval Academy, Annapolis, MD 21402
ChunJu Lai, Academia Sinica, Taipei, Taiwan 10617
Arik Wilbert, University of Georgia, Athens, GA 30602
(116614145) 
10:20 a.m.
Break. 
10:40 a.m.
Dual coalgebras of twisted tensor products.
Manuel L. Reyes*, University of California, Irvine
(11661642) 
11:10 a.m.
A quantum double construction for quantum symmetric spaces.
Stefan Kolb, Newcastle University
Milen Yakimov*, Northeastern University
(11662290)

8:30 a.m.

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
(11665370) 
9:00 a.m.
Lagrangian Realizations of Ribbon Cobordisms.
John Etnyre, Georgia Institute of Technology
Caitlin Leverson*, Bard College
(116657116) 
9:30 a.m.
Reverse Lagrangian surgery on fillings.
Orsola CapovillaSearle, Duke University
Noémie Legout, Uppsala University
Maÿlis Limouzineau, University of Cologne
Emmy Murphy, Northwestern University
Yu Pan*, MIT
Lisa Traynor, Bryn Mawr College
(1166578) 
10:00 a.m.
Quasipositive surfaces and decomposable Lagrangians.
Lev TovstopyatNelip*, Michigan State University
(11665780) 
10:20 a.m.
Break. 
10:40 a.m.
Towards a braid theory of codimension 2 contact submanifolds.
Jeremy Van HornMorris*, University of Arkansas
Amey Kaloti, Montreal, CA
(116657163) 
11:10 a.m.
Log Canonical Threshhold and contact isotopy.
Amey Kaloti*, Montreal, Canada.
(116657157)

8:30 a.m.

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
(116642135) 
9:00 a.m.
Good and bad news on matrix weights.
Stefanie Petermichl*, Universitaet Wuerzburg
(116642112) 
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
(116635103) 
10:00 a.m.
Sharp constant estimates for matrix weighted inequalities.
David V. CruzUribe*, University of Alabama
Kabe Moen, University of Alabama
Joshua Isralowitz, SUNY Albany
Sandra Pott, University of Lund, Sweden
Israel RiveraRios, Universidad Nacional del Sur, Argentina
(116642106) 
10:20 a.m.
Break. 
10:40 a.m.
Another proof of the matrixweighted Poincare inequality of Isralowitz and Moen.
Michael W. Frazier*, University of Tennessee
(11664247) 
11:10 a.m.
On bodies floating in equilibrium in every direction.
Dmitry Ryabogin*, Kent State University
(11665229)

8:30 a.m.

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
(116691177) 
9:00 a.m.
Minimizing disease spread on a quarantined cruise ship: A model of COVID19 with asymptomatic infections.
Berlinda Batista, Howard University
Drew Dickenson, Howard University
Katharine Gurski, Howard University
Malick Kebe*, Howard University
Naomi Rankin, Howard University
(116692173) 
9:15 a.m.
Probabilistic approach to a cell growth model and Dickman law.
Gregory Derfel, BenGurion University of the Negev Beersheba, Israel
Yaqin Feng*, Ohio University
Stanislav Molchanov, University of North Carolina at Charlotte
(11666028) 
9:30 a.m.
Regimeswitching jump diffusion processes with countable regimes : Feller, strong Feller, irreducibility and exponential ergodicity.
Khwanchai Kunwai*, University of WisconsinMilwaukee
Chao Zhu, University of WisconsinMilwaukee
(11666027) 
9:45 a.m.
Distributional heavytailedness and the stability of an equilibrium in a distributed delay symmetric network.
Israel Ncube*, Alabama A & M University
(116637174) 
10:00 a.m.
Solution of the mixed formulation for generalized Forchheimer flows of isentropic gases.
Thinh Kieu*, University of North Georgia
(11663513)

8:45 a.m.

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 SatherWagstaff, 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
(11661346) 
10:00 a.m.
Stillman's question for twisted commutative algebras.
Karthik Ganapathy*, University of Michigan, Ann Arbor
(116613115) 
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
(116613139) 
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
(11661393)

9:00 a.m.

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 WisconsinStout
Christine A. Kelley, University of NebraskaLincoln ckelley2@unl.edu
JD Nir, University of Manitoba

9:00 a.m.
Generalized saturation problems for cliques and stars.
Jamie Radcliffe, University of NebraskaLincoln
Adam Volk*, University of NebraskaLincoln
(11660560) 
9:30 a.m.
Multicolor extremal problems.
Michael Tait*, Villanova University
(116605109) 
10:00 a.m.
A survey of BergeTurán hypergraph problems.
Cory Palmer*, University of Montana
(116605160) 
10:20 a.m.
Break. 
10:40 a.m.
Product throttling for power domination.
Daniela Ferrero*, Texas State University
(116605142) 
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
(11661530)

9:00 a.m.

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
(11662855) 
9:30 a.m.
Purely 1unrectifiable 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 FrancheComté, CNRS
(11662817) 
10:00 a.m.
Radon measures and Lipschitz graphs.
Lisa Naples*, Macalester College
(11662848) 
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
(11664210) 
11:10 a.m.
Updates on Traveling Salesman in Banach spaces.
Matthew Badger*, University of Connecticut
(11663043)

9:00 a.m.

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
JuYi Yen, University of Cincinnati juyi.yen@uc.edu

9:00 a.m.
A small ball problem for a hypoelliptic Brownian motion in Heisenberg group.
Masha Gordina*, University of Connecticut
(116660114) 
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
(11666031) 
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
(116660120) 
11:10 a.m.
A penalized boundary obstacle problem for the biLaplacian.
Donatella Danielli*, Arizona State University
Alaa Haj Ali, Purdue University
(116635117)

9:00 a.m.

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
(116611125) 
9:30 a.m.
Modular zeros in the character table of the symmetric group.
Sarah Peluse*, Princeton/IAS
Kannan Soundararajan, Stanford
(116611147) 
10:00 a.m.
First moments of RankinSelberg convolutions of Automorphic forms on $GL(2)$.
Jeff Hoffstein, Brown University
Maria M. Nastasescu, Northwestern University
Min Lee*, University of Bristol
(11661196) 
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
(116611175)

9:00 a.m.

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
(116600180) 
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
(116600182) 
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 SatherWagstaff, Clemson University ssather@clemson.edu

3:10 p.m.
Symbolic powers and free resolutions of generalized star configurations of hypersurfaces.
KueiNuan Lin*, Penn State University, Greater Allegheny
YiHuang Shen, University of Science and Technology of China
(11661358) 
3:40 p.m.
Quadratic Gorenstein rings and the Koszul property.
Matthew Mastroeni*, Oklahoma State University
Hal Schenck, Auburn University
Mike Stillman, Cornell University
(116613130) 
4:00 p.m.
Break. 
4:20 p.m.
Computing Multigraded CastelnuovoMumford Regularity on Products of Projective Spaces.
Lauren Cranton Heller, University of California, Berkeley
Mahrud Sayrafi*, University of Minnesota, Twin Cities
(116613144) 
4:50 p.m.
The top weight cohomology of $\mathcal{A}_{g}$.
Juliette Bruce*, University of California, Berkeley
(11661318) 
5:10 p.m.
Open discussion.

3:10 p.m.

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
(11661611) 
3:40 p.m.
Local stucture of noncommutative varieties.
Daniel Rogalski*, UCSD
Jason Gaddis, Miami University
(116616168) 
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
(116616129) 
4:50 p.m.
Frobenius $A_{\infty}$Algebras.
Cody A Tipton*, University of Washington
(11669086) 
5:10 p.m.
Open Discussion.

3:10 p.m.

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*, UMassAmherst
Georgios Dimitroglou Rizell, Upsalla University
(11665350) 
3:40 p.m.
A Legendrian Turaev torsion via generating families.
Daniel AlvarezGavela*, MIT
(1166536) 
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
(116657152) 
4:50 p.m.
Studying Legendrian surfaces with Ngraphs.
Eric Zaslow*, Northwestern University
(11665787) 
5:20 p.m.
Augmentations and representations for Legendrian Weaves of 2Graphs.
Kevin Sackel*, Stony Brook University / Simons Center for Geometry and Physics
(11665784)

3:10 p.m.

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 Coarea inequality.
Behnam Esmayli*, University of Pittsburgh
Piotr Hajlasz, University of Pittsburgh
(116628108) 
3:40 p.m.
Regularity of 2d MumfordShah minimizers.
Camillo De Lellis, Institute for Advanced Study
Matteo Focardi, Università degli Studi di Firenze
Silvia Ghinassi*, University of Washington
(116635169) 
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
(116651138) 
4:50 p.m.
The visual sphere of an expanding Thurston map.
Mario Bonk*, University of California, Los Angeles
(116630111) 
5:10 p.m.
Open Discussion.

3:10 p.m.

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
JuYi Yen, University of Cincinnati juyi.yen@uc.edu

3:10 p.m.
New projective conditions for additive functionals of Markov chains.
Magda Peligrad*, University of Cincinnati
(11666862) 
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 PerezGarmendia, CIMAT
(116660155) 
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
(116660171) 
4:50 p.m.
Archimedes' principle for a ball in ideal gas.
Krzysztof Burdzy*, University of Washington
Jacek Malecki, Technical University of Wroclaw
(11666032) 
5:10 p.m.
Open Discussion.

3:10 p.m.

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
(11661125) 
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
(11661185) 
4:50 p.m.
Higher order convexity and iterated convolution.
Brandon Hanson*, UGA
Brandon Hanson, Bristol
Oliver RocheNewton, RICAM
Misha Rudnev, Bristol
(116611141) 
5:20 p.m.
Uniformity of the Möbius function in $\mathbf{F}_q[t]$.
Thai Hoang Le*, University of Mississippi
PierreYves Bienvenu, Max Planck Institute for Mathematics
(116611178)

3:10 p.m.

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
(116642140) 
3:40 p.m.
Lattice points problem and ergodic theorems for certain arithmetic spheres.
Bartosz Langowski*, Indiana University, Bloomington
(11664219) 
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
(11663589) 
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 WisconsinMilwaukee
H Volkmer, University of WisconsinMilwaukee
P Walker, University of WisconsinMilwaukee
(11663535) 
5:20 p.m.
Sobolev contractivity of gradient flow maximal functions.
S Bortz*, University of Alabama
M Egert, Université ParisSud
O Saari, Universität Bonn
(116642148)

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