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
Yirong Yang, University of Washington
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SMI 205 and via Zoom Link: https://washington.zoom.us/j/91547335974
Joshua Hinman, University of Washington
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SMI 205 and via Zoom Link: https://washington.zoom.us/j/91547335974
Cameron Wright, University of Washington
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SMI 205 and via Zoom Link: https://washington.zoom.us/j/91547335974
Tracy Chin, University of Washington
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SMI 205 and via Zoom Link: https://washington.zoom.us/j/91547335974
Michael Tang, University of Washington
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SMI 205 and via Zoom Link: https://washington.zoom.us/j/91547335974
Natasha Crepeau, University of Washington
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SMI 205 and via Zoom Link: https://washington.zoom.us/j/91547335974
Past Events
- The Chute Moves Lattice (Ilani Axelrod-Freed, Massachusetts Institute of Technology) -
- A Lovász-Kneser theorem for triangulations (Cosmin Pohoata, Emory University) -
- Lattice characterization of cyclic interval hypergraphic posets (Félix Gélinas, York University) -
- The K_0-ring of spanning line configurations and a generalized version of Schubert calculus (Michael Zeng, University of Washington) -
- On the impossibility of parabolic factorization of certain Kazhdan-Lusztig basis elements (Mark Skandera, Lehigh University) -
- The lower bound problems for simplicial spheres with no large missing faces (Hailun Zheng, University of Hawai'i) -
- Higher Flow Polytopes: A Generalization to Simplicial Complexes (Grace O'Brien, University of Washington) -
- Open problems session -
- Two Problems in Geometric Combinatorics (Stefan Steinerberger, University of Washington) -
- Applications of Low-Discrepancy Sequences (François Clément, University of Washington) -
- Billey-Postnikov posets (Yibo Gao, Peking University) -
- Shuffle tableaux (Son Nguyen, Massachusetts Institute of Technology) -
- Homomesy on stable set polytopes of paths (Cordelia Li, University of Washington) -
- A proof of Rubey's lattice conjecture (Clare Minnerath, University of Washington) -
- Higher Bruhat Orders: Affine Generalizations and Machine Learning Applications (Herman Chau, University of Washington) -
- Grothendieck polynomials, determinantal varieties, and equivariant Hilbert series (Ada Stelzer, University of Illinois Urbana-Champaign) -
- Complexity for billiards in regular N-gons (Jayadev Athreya, University of Washington) -
- The combinatorial invariance conjecture (Grant Barkley, University of Michigan) -
- Graphical designs find combinatorial structures (Zawad Chowdhury, University of Washington) -
- Braid Group Presentations and Triangulations of the Permutahedron (Colin Defant, Harvard University) -
- Maximizing the Number of Monotone Paths on 3-regular graphs (Dan Guyer, University of Washington) -
- Upper and Lower Bounds for Chromatic Symmetric Functions (Isaiah Siegl, University of Washington) -
- Spherical friezes (Katie Waddle, University of Michigan) -
- Skeins on tori (Monica Vazirani, University of California Davis) -
- On permutation statistics, root enumeration and Gelfand models (Yuval Roichman, Bar-Ilan University) -
- Random Locally Flat-Foldable Origami (Corrine Yap, Georgia Institute of Technology) -
- On equilibrium positions of convex bodies (Dmitry Ryabogin, Kent State University) -
- Matrix loci, orbit harmonics, and shadow play (Jasper Moxuan Liu, University of California San Diego) -
- Double forest polynomials and the quasisymmetric flag variety (Lucas Gagnon, York University) -
- Combinatorics of locally gentle algebras (Sarafina Ford, University of Washington) -
- Special episode: Graduate Student Lightning Talks -
- Diagonal orbits in double flag varieties (Tien Le, Seattle Pacific University) -
- Generalized degree polynomials of trees (Michael Tang, University of Washington) -
- Plane partitions and rowmotion on rectangular and trapezoidal posets (Ricky Liu, University of Washington) -
- Valuated Delta Matroids and Principal Minors (Tracy Chin, University of Washington) -
- Face Numbers of Squishy Polytopes (Josh Hinman, University of Washington) -
- Conformally rigid graphs (Rekha Thomas, University of Washington) -
- The Squared Grassmannian (Hannah Friedman, University of California Berkeley) -
- Lawrence polytopes of a graph (Changxin Ding, Georgia Institute of Technology) -
- Combinatorial statistics and the q,t-Catalan numbers (Spencer Daugherty, University of Colorado Boulder) -
- On e-positivity of the chromatic symmetric function (Foster Tom, Massachusetts Institute of Technology) -
- Chromatic Symmetric Functions and Polynomial Invariants of Trees (Jeremy Martin, University of Kansas) -
- Log-Concavity of the Alexander Polynomial for Special Alternating Links (Elena Hafner, University of Washington) -
- Smooth Points on Positroid Varieties (Joseph Fluegemann, Cornell University) -
- Cyclically ordered quivers (Scott Neville, University of Michigan) -
- Standard monomials for positroid varieties (Daoji Huang, Institute for Advanced Study) -
- 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) -