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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/

## Past Events

- Dissecting an Integer Polymatroid (Fiona Young, Cornell University) -
- Colorful Permutation Statistics and Cycle Type (Kevin Liu, University of Washington) -
- The merging operation and (d-i)-simplicial i-simple d-polytopes (Hailun Zheng, University of Houston-Downtown) -
- h-vector Inequalities Under Weak Maps (Alex Mason, University of Washington) -
- The inhomogeneous multispecies PushTASEP and Macdonald polynomials (Arvind Ayyer, Indian Institute of Science) -
- Smooth Combinatorial Cubes are IDP (Julie Curtis, University of Washington) -
- Shuffle bases and quasisymmetric power sums (Michael Tang, University of Washington) -
- The Poincare-Extended ab-Index (Galen Dorpalen-Barry, University of Oregon) -
- Increasing subsequences, orbit harmonics, and shadow play (Brendon Rhoades, University of California, San Diego) -
- The first bijective proof of the ASM theorem (Matjaž Konvalinka, University of Ljubljana) -
- Incidences and Tilings (Sergey Fomin, University of Michigan) -
- Solving puzzles of shellable simplicial spheres (Yirong Yang, University of Washington) -
- Moshe's Insanity (Moshe Rosenfeld, University of Washington, Tacoma) -
- CANCELED: The Poincare-Extended ab-Index (Galen Dorpalen-Barry, University of Oregon) -
- Tropicalization of the principal minors of positive semidefinite matrices (Cynthia Vinzant, University of Washington) -
- Farahat-Higman Algebras for Classical Linear Groups (Arun Kannan, Massachusetts Institute of Technology) -
- Distributional properties of colored multiset Eulerian polynomials (Danai Deligeorgaki, KTH Royal Institute of Technology) -
- A regular unimodular triangulation of the matroid base polytope (Gaku Liu, University of Washington) -
- Numerical semigroups, minimal presentations, and posets (Christopher O'Neill, San Diego State University) -
- A noncommutative Schur function approach to chromatic symmetric functions (Isaiah Siegl, University of Washington) -
- Extremal crystals and atom-positivity (Samuel Armon, University of Southern California) -
- Matroid Schubert varieties and equivariant compactifications (Colin Crowley, University of Oregon) -
- Quantum Bruhat graphs and tilted Richardson varieties (Shiliang Gao, University of Illinois at Urbana-Champaign) -
- Snake Graphs for Graph LP Algebras (Sunita Chepuri, University of Puget Sound) -
- Projections of Richardson Varieties (Travis Grigsby, Oklahoma State University) -
- Face Numbers and Angles of Polytopes (Josh Hinman, University of Washington) -
- Generalized Multiview Varieties (Felix Rydell) -
- Combinatorics of two-boundary Temperley-Lieb algebras (Zajj Daugherty, Reed College) -
- Combinatorics of CAT(0) cubical complexes, crossing complexes and co-skeletons (Rowan Rowlands, University of Washington) -
- Central transversals and hyperplane arrangements (Pablo Soberón, City University of New York, Baruch College) -
- Tautological classes of matroids (Christopher Eur, Harvard University) -
- Mixed Volumes of Normal Complexes (Lauren Nowak, University of Washington) -
- Chip-firing game on metric graphs and combinatorics of their Jacobians (Farbod Shokrieh, University of Washington) -
- SL_4 web bases from hourglass plabic graphs (Joshua Swanson, University of Southern California) -
- The Polyhedral Combinatorics of Pivot Rules (Alex Black, University of California Davis) -
- Higher Weak Order of Affine Permutations (Herman Chau, University of Washington) -
- Algebra, Geometry & Combinatorics of the Pinhole Camera (Rekha Thomas, University of Washington) -
- The geometric method, matroids and related simplicial complexes (Andrew Berget, Western Washington University) -
- Vertex labeling properties on graphs and complexes (Bruno Benedetti, University of Miami) -
- Combinatorial mutations and birational maps (Ricky Liu, University of Washington) -
- Unimodular triangulations of sufficiently large dilations (Gaku Liu, University of Washington) -
- Transfer systems and model structures for combinatorialists (Kyle Ormsby, University of Washington) -
- Problems around Combinatorial Graphs and Distance Geometry (Stefan Steinerberger, University of Washington) -
- Subdivisions of Shellable Complexes (Max Hlavacek, University of California Berkeley) -
- Odd diagrams and patterns (Bridget Tenner, DePaul University) -
- 3D plabic graphs and cluster structures on type A braid varieties (Melissa Sherman-Bennett, Massachusetts Institute of Technology) -
- 2-LC triangulated manifolds are exponentially many (Marta Pavelka, University of Miami) -
- On the anisotropy theorem of Papadakis and Petrotou (Elizabeth Xiao, University of British Columbia) -
- Enumerating interval graphs and d-representable complexes (Amzi Jeffs, Carnegie Mellon University) -
- Hurwitz numbers via topological recursion (Reinier Kramer, University of Alberta) -