Combinatorics and Geometry Seminar
Combinatorics and Geometry Seminar
UW Combinatorics and Geometry Seminar meets in Padelford C-401 on Wednesdays. The pre-seminar is from 3:30-4:00pm and the main seminar is from 4:10-5:00pm.
Further details can be found at https://sites.math.washington.edu/~combinat/
Upcoming Events
Félix Gélinas, York University
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PDL C-401 and via Zoom Link: https://washington.zoom.us/j/91547335974
Cosmin Pohoata, Emory University
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PDL C-401 and via Zoom Link: https://washington.zoom.us/j/91547335974
Ilani Axelrod-Freed, Massachusetts Institute of Technology
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PDL C-401 and via Zoom Link: https://washington.zoom.us/j/91547335974
Past Events
- Characterizing quotients of positroids (Anastasia Chavez, University of California, Davis) -
- Coding for sunflowers (Anup Rao, University of Washington) -
- Neural codes and the factor complex (Alexander Ruys de Perez, Texas A&M University) -
- Non-Eulerian Dehn-Sommerville relations (Lei Xue, University of Washington) -
- Measures on graphs and a Kazhdan’s theorem (Farbod Shokrieh, University of Washington) -
- The shape of a random pattern-avoiding permutation (Christopher Hoffman, University of Washington) -
- Embedding dimensions of convex codes (Amzi Jeffs, University of Washington) -
- A topological proof of the Shapiro-Shapiro Conjecture (Jake Levinson, University of Washington) -
- Signed tropical convexity (Georg Loho, London School of Economics and Political Science) -
- A Pieri rule for key polynomials (Danjoseph Quijada) -
- Electrical networks, hyperplane arrangements and matroids (Bob Lutz, Mathematical Sciences Research Institute) -
- Simplicial generation of Chow rings of matroids (Christopher Eur, University of California, Berkeley) -
- Universal oriented matroids for subword complexes of Coxeter groups (Jean-Philippe Labbé, Freie Universität Berlin) -
- Hollow polytopes of large width (Giulia Codenotti, Freie Universität Berlin) -
- Diameter bounds for cocircuit graphs of oriented matroids (Steve Klee, Seattle University) -
- Fixed points of parking functions (Nathan Williams, University of Texas at Dallas) -
- Algebraic signatures of convexity in combinatorial neural codes (Nora Youngs, Colby College) -
- Oriented matroids and combinatorial neural codes (Caitlin Lienkaemper, Pennsylvania State University) -
- The upper bound theorem for centrally symmetric simplicial spheres (Hailun Zheng, University of Michigan) -
- Hessenberg varieties and the Stanley--Stembridge conjecture (Martha Precup, Washington University in St. Louis) -
- Matroids and statistical dependency (Art Duval, University of Texas at El Paso) -
- Exposed circuits, linear quotients, and chordal clutters (Anton Dochtermann, Texas State) -
- Affine Schubert calculus and diagonal coinvariants (Erik Carlsson, UC Davis) -
- Counting flags in Eulerian posets: The cd-index (Marge Bayer, University of Kansas) -
- K polynomials and matroids (Andrew Berget, Western Washington University) -
- Cyclic sieving, necklaces, and branching rules related to Thrall's problem (Connor Ahlbach, UW) -
- Algebraic characterizations and combinatorial properties of (non)regular graphs with thin module of endpoint zero (Safet Penjić, University of Primorska, Andrej Marušič Institute) -
- Unfolding Mathematics at Burning Man (Satyan Devadoss, University of San Diego) -
- Involution graph Schubert varieties (Brendan Pawlowski, University of Southern California) -
- TBA (Julianna Tymoczko, Smith College) -
- 2-associahedra (Nathaniel Bottman, Institute for Advanced Study) -
- Local constructions of manifolds (Bruno Benedetti, University of Miami) -
- Characterization of Queer Supercrystals. (Graham Hawkes, UC Davis) -
- Closed Singular Geodesics on Platonic Solids (Jayadev Athreya, UW) -
- Enumerating spanning trees in bipartite graphs (Steve Klee, Seattle University) -
- Minimal Obstructions to Convexity in Combinatorial Codes (Amzi Jeffs, University of Washington) -
- Completely log concave polynomials and Mason’s log concavity conjecture (Shayan Oveis Gharan, University of Washington) -
- The slack realization space of a polytope (Amy Wiebe) -
- A Simply Exponential Upper Bound on the Maximum Number of Stable Matchings (Anna Karlin, University of Washington) -
- Graded Expectations: An Invitation to Probabilistic Commutative Algebra (Matthew Stamps, Yale-NUS College) -
- Decomposing k-fold acyclic complexes (Bennet Goeckner, University of Washington) -
- The Unit-distance graph and the Odd-distance graph (Moshe Rosenfeld, University of Washington, Tacoma) -
- Chromatic quasisymmetric functions and regular semisimple Hessenberg varieties (John Shareshian, Washington University in St. Louis) -
- Sandpiles, (un)decidability, and mod 1 harmonic functions (Lionel Levine, Cornell University) -
- Splitting Loops and Necklaces: Variants of the Square Peg Problem (Florian Frick, Cornell University) -
- Refinement of partition identities (Jehanne Dousse, Universität Zürich) -
- The Combinatorics of Macdonald Polynomial Operators (Jim Haglund, University of Pennsylvania) -
- Major Index Statistics: Cyclic Sieving, Branching Rules, and Asymptotics (Josh Swanson, University of Washington) -
- The conjugacy action of S_n and variations on the module Lie_n (Sheila Sundaram, Pierrepont School) -
- Matroid h-vectors (José Samper, University of Miami) -