Mathematics Colloquium

November 5 ~ Rigidity of Uniform Roe Algebras
Bruno Braga, University of Virginia - In-person & Zoom
November 19 ~ Topology and Geometry of Random Cubical Complexes
Erika Roldan, TU Munich and EPFL - Virtual talk

January 31 ~ Dynamics on character varieties
Sara Maloni, University of Virginia
Meeting at an unusual time: 11:30AM!
February 7 ~ Plasmonics on two-dimensional materials: Dispersion and homogenization
Dionisios Margetis, University of Maryland
February 14 ~No talk today. (Department meeting, 3:30 - 5:00)
February 21 ~ Hitchin systems in mathematics and beyond
Steven Rayan, University of Saskatchewan
February 28 ~ A D'Ambra Theorem in conformal Lorentzian geometry
Karin Melnick, University of Maryland
March 6 ~ Faces of entropy: Connecting Physics, Biology and Quantum Information Science
Maria Emelianenko, George Mason University
March 20 ~No talk today (Department meeting, 3:30-5:00)
March 27 ~ Optimal control of sweeping processes with applications
Boris Mordukhovich, Wayne State University
Postponed until Fall 2020
April 2 ~ A Method for Vertical Federated Learning
Postponed - date to be announced
Wotao Yin, University of California, Los Angeles
April 3 ~ Nonconvex Optimization: Opportunities and Challenges
Frank E. Curtis, Lehigh University
Postponed - date to be announced
April 17 ~ Mahamadi Warma, George Mason University
Postponed until Fall 2020
April 24 ~No talk today (Department meeting, 3:30-5:00)

Fall, 2019

September 6 ~Hearing the shape of a locally symmetric space, and arithmetic groups
Andrei Rapinchuk, University of Virginia
September 13 ~Jensen-Polya Program for the Riemann Hypothesis and Related Problems
Ken Ono, University of Virginia
September 20 ~ PDE Constrained Optimization with Applications
Harbir Antil, George Mason University
October 4 ~ Quasi-variational inequalities in function spaces: Applications, theory and solution algorithms
Carlos Rautenberg, George Mason University
October 25 ~ B-Splines and 3D Web Graphics: Mathematics and Technology Behind the Visualizations of the NIST Digital Library of Mathematical Functions
Bonita Saunders, National Institute of Standards and Technology
November 1 ~ The Parallel Postulate and Geometries without Rigidity
Edwin O'Shea, James Madison University
November 8 ~ An overview of PDE constrained optimization with applications
Thomas Brown, George Mason University
November 15 ~ Decomposition Theorems for Cayley Graphs of Matrix Groups
Jason Rosenhouse, James Madison University

Spring, 2019

January 25 ~ Stanley-Reisner rings of symmetric simplical complexes
Emanuele Delucchi, University of Fribourg
March 1 ~ Finding Ellipses: What the numerical range, Poncelet's
theorem, and Blaschke products have to do with it
Pamela Gorkin, Bucknell University and NSF
April 4 ~ Computational complexity of stochastic programs
Alexander Shapiro, Georgia Institute of Technology
10:50-11:50AM, Room E/F Johnson Center
(Joint with the East Coast Optimization Meeting )
April 5 ~ On the Rigorous Evaluation of Stochastic Approaches to Power Systems Operations
Jean-Paul Watson, Sandia National Laboratories
10:50-11:50AM, Room E/F Johnson Center
(Joint with the East Coast Optimization Meeting)
April 19 ~ From Grassmannians to Automated Geometric Proofs
Will Traves, U.S. Naval Academy
April 26 ~ Variations on a theme by George B. Dantzig: Revisiting the principles of the simplex method
Jesús De Loera, University of California, Davis

Fall, 2018

October 19 ~ Lower bounds for the covolume of lattices of semi-simple Lie groups
Ilesanmi Adeboye, Wesleyan University
October 26 ~ Grassmannians and Pseudosphere Arrangements
Michael Dobbins, Binghamton University
November 9 ~ Stability for symmetric groups and Hecke algebras
Weiqiang Wang, University of Virginia
November 16 ~ A decomposition of tensor space and Schur-Weyl duality
Matt Douglass, National Science Foundation

Spring, 2018

February 9 ~ Introduction to cluster algebras
Kyungyong Lee, University of Nebraska
February 13 ~ Algebraic geometry in characteristic one
Jaiung Jun, Binghamton University
February 14 ~ Test Ideals of Commutative Rings of All Characteristics
Rebecca Rebhuhn-Glanz , Syracuse University
February 15 ~ Noncommutative algebra from a geometric point of view
Xingting Wang, Temple University
February 23 ~ Combinatorics and the Quadratic Formula
Lou Shapiro, Howard University
March 9 ~ Degree Sequences with Forced Edges
Brian Cloteaux, NIST
March 23 ~ Avoiding Patterns and Making the Best Choice
Brant Jones, James Madison University
March 30 ~ Scalable optimization algorithms for large-scale subspace clustering
Daniel Robinson, Johns Hopkiins University
April 6 ~ Combinatorics, computing, and k-Schur functions
Jennifer Morse, University of Virginia
April 13 ~ Generalized Graphic Matroids in Projective Geometry
Thomas Zaslavsky, Binghamton University
April 27 ~ The Yang-Mills Flow and Moduli Spaces
Richard Wentworth, University of Maryland

Fall, 2017

October 6 ~A superquadratic variant of Newton's method
Florian Potra, UMBC
October 20 ~ The Bochner--Hartogs dichotomy
Terry Napier, Lehigh
October 27 ~ Product formulas for volumes of flow polytopes
Karola Mészáros, Cornell
November 3 ~ On the concentration of eigenfunctions
Chris Sogge, Johns Hopkins
November 10 ~ Apple vs. Samsung: a Mathematical Battle
Jim Davis, University of Richmond
December 8 ~ Detecting properties from descriptions of groups.
Jennifer Chubb, University of San Francisco

Spring, 2017

February 13 ~ The Heisenberg group: geometry, analysis, and number theory
Anton Lukyanenko, University of Michigan
February 14 ~ Rees-like Algebras and the Eisenbud-Goto Conjecture
Jason McCullough, Rider University
February 16 ~ Bayesian Filtering for Time-Varying Parameter Estimation in Biological Models
Andrea Arnold, North Carolina State University
February 17 ~ Multiscale inverse problems for partial differential equations and applications to sonar imaging
Christina Frederick, Georgia Institute of Technology
February 20 ~ Hidden symmetries in geometry, arithmetic, and physics >
Brent Doran, ETH
February 24 ~ Learning manifolds from data
Tyrus Berry, George Mason University
March 24 ~ Kernel methods for Koopman mode analysis and prediction: Ergodic and skew-product systems
Dimitris Giannakis, Courant Institute of Mathematical Sciences
April 21 ~ Basin entropy: a new tool to explore uncertainty in dynamical systems
Miguel Sanjuan, Universidad Rey Juan Carlos
Today's colloquium is presented jointly with the Department of Physics and Astronomy
May 5 ~ Inductive tools for graphs (and matroids)
Carolyn Chun, United States Naval Academy

Fall, 2016

September 9 ~ Symmetries of Knots
Swatee Naik, University of Nevada, Reno
September 23 ~ Playing with homotopy: does Khovanov homology lead to bouquets of spheres?
Jozef Przytycki, George Washington University
September 30 ~ How to make 3-D printed sculptures of 4-D things
Henry Segerman, Oklahoma State University
October 7 ~ To Replace or Not to Replace in Finite Population Sampling
Daniel Q. Naiman, Johns Hopkins University
October 14 ~ Uniform Algebras
Carl Weisman
October 28 ~ The Kazhdan-Lusztig polynomial of a matroid
Max Wakefield, United States Naval Academy
November 11 ~ Heads and Tails in a Klein-Gordon equation
Svetlana Roudenko, George Washington University

Spring, 2016

February 12 ~ Lie algebras and the rational homotopy groups of a topological space
Steve Halperin, University of Maryland, College Park
February 26 ~ Erdos-Szekeres type theorems for planar convex sets
T. Bisztriczky, University of Calgary
March 4 ~ Phase Retrieval using Structured Measurements
Yi Kai Liu, National Institute of Standards and Technology
March 25 ~ Phased matroids and matroids over hyperfields
Laura Anderson, Binghamton University
April 8 ~ Weighted composition operators on the space of analytic functions with derivative in the Hardy-Hilbert space
Robert Allen, University of Wisconsin, La Crosse
April 22 ~ Projection: A Unified Approach to Semi-Infinite Linear Optimization and Duality in Convex Programming
Amitabh Basu, Johns Hopkins University
April 29 ~ Mathematical Perseverance, or, Try to Hear What the Mathematics Is Trying to Tell You
George Andrews, Pennsylvania State University

Fall, 2015

August 28 ~How to sample a stochastic operator?
Götz Pfander,, Jacobs University Bremen
September 4 ~ Line tension of Lamuir-Blodgett films: theory and experiment
Jay Alexander, University of Maryland, College Park
September 11 ~ A flexible regression model for count data
Kimberly Sellers, Georgetown University
September 25 ~ The Atlas of Lie Groups and Representations
Jeffrey Adams, University of Maryland, College Park
October 2 ~ A survey of alternating permutations
Richard Stanley, Massachusetts Institute of Technology
October 9 ~ Shearer's Method in Ramsey Theory
Jacques Verstraëte , National Science Foundation
October 16 ~ Mean Minkowski Measures for Convex Sets and Grünbaum's Conjecture for Affine Diameters
Gabor Toth, Rutgers University, Camden
October 30 ~ Automated Conjecture-Making
Craig Larson, Virginia Commonwealth University
November 20 ~ Distance functions on computable graphs
Jennifer Chubb, University of San Francisco

Spring, 2015

January 23 ~ Probabilistic Analysis of QuickSort: An Overview
Jim Fill, Johns Hopkins University
February 6 ~ Integral point in orbits of morphisms on curves
Vijay Sookdeo, Catholic University of America
February 13 ~ Elliptic sequences and Pfaffian Triples
Michael Somos, Georgetown University
February 20 ~ From Broken Circuits to Monte Carlo: Approximating the Coefficients of the Chromatic Polynomial
Yvonne Kemper, National Institute of Standards and Technology
March 6 ~ A new nonmonotone spectral projected gradient method for semidefinite programming problem with log-determinant and l_1 norm objective function
Mituhiro Fukuda, Tokyo Institute of Technology
March 20 ~ Approximating the permanent
Francis Sullivan, IDA/Center for Computing Sciences
April 3 ~ Planar graphs are 9/2-colorable and have big independent sets
Dan Cranston, Virginia Commonwealth University
April 17 ~ Cellular automorphisms of embedded graphs and two mathematical applications
Lowell Abrams, George Washington University
April 24 ~ Multiple junctions in polycrystals
David Caraballo, Georgetown University

Fall, 2014

August 29 ~ Combinatorial Reciprocity Theorems
Matthias Beck, San Francisco State University
September 5 ~ The discrete Morse theory of Cech and Delaunay complexes
Herbert Edelsbrunner, Institute of Science and Technology Austria
September 19 ~ Three-dimensional affine crystals
Bill Goldman, University of Maryland
September 26 ~ Novel Stochastic Methods in Biochemical Electrostatics
Michael Mascagni, Florida State University (currently, NIST)
October 3 ~ Faculty Symposium organized by our SIAM Student Chapter
October 17 ~ Jack Edmonds, University of Waterloo
October 24 ~ Enumeration in polytopes and Coxeter groups
Lou Billera, Cornell University
November 7 ~ Patterns in permutations
Alex Burstein, Howard University
December 5 ~ Decision Problems and Representations
Ben McReynolds, Purdue University

Mathematics Colloquium

Mathematics Colloquium

Fall 2024

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