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
- q-Whittaker functions, finite fields, and Jordan forms (Steven Karp, LaCIM, Université du Québec à Montréal) -
- Grothendieck-to-Lascoux Expansions (Tianyi Yu, University of California San Diego) -
- Linear relations among Schubert structure coefficients (Anna Weigandt, Massachusetts Institute of Technology) -
- Planar Tanglegram Layouts and Edge Insertion (Kevin Liu, University of Washington) -
- Common tangents to polytopes and convex bodies (José Alejandro Samper, Pontificia Universidad Católica de Chile) -
- Non-realizability of polytopes via linear programming (Amy Wiebe, Simon Fraser University) -
- Braiding and twisting open positroid varieties (Christopher Fraser, Michigan State University) -
- From symmetric functions, to knots, and back again (Nicolle González, University of California Los Angeles) -
- CANCELED: Braiding and twisting open positroid varieties (Christopher Fraser, Michigan State University) -
- Multiplicities of maximal dominant weights of some affine Lie algebra modules (Kailash Misra, North Carolina State University) -
- When is the probability of avoiding a graph super-exponentially small? (Rajko Nenadov, Google Zürich) -
- Helly type problems: topology, the cascade conjecture, and graph coloring (Gil Kalai, Hebrew University of Jerusalem, Reichman University, and NYU) -
- Combinatorial atlas for log-concave inequalities (Swee Hong Chan, University of California Los Angeles) -
- Bumpless pipe dreams encode Gröbner geometry of Schubert polynomials (Patricia Klein, University of Minnesota) -
- f*- and h*-vectors (Matthias Beck, San Francisco State University) -
- P-partition generating functions of naturally labeled posets (Ricky Liu, University of Washington) -
- Lorentzian polynomials on cones and the Heron-Rota-Welsh conjecture (Jonathan Leake, Technische Universität Berlin, Germany) -
- On discrete gradient vector fields and Laplacians of simplicial complexes (Andrew Tawfeek, Amherst College) -
- Morphisms, Minors, and Minimal Obstructions to Convexity of Neural Codes (Amzi Jeffs, University of Washington) -
- Many neighborly spheres (Isabella Novik, University of Washington) -
- On Schubert polynomials (Karola Mészáros, Cornell University) -
- Complex analysis meets combinatorics (Steffen Rohde, University of Washington) -
- An Efficient Algorithm for Deciding the Vanishing of Schubert Polynomial Coefficients (Colleen Robichaux, UIUC) -
- The equivariant Ehrhart theory of the permutahedron ( Mariel Supina, UC Berkeley) -
- An odd tale of permutation statistics (Angela Carnevale, National University of Ireland, Galway) -
- Type cones and products of simplices (Bennet Goeckner, University of Washington) -
- A structural Szemerédi–Trotter theorem for cartesian products (Adam Sheffer, CUNY) -
- Cubes, Codes, and Graphical Designs (Catherine Babecki, University of Washington) -
- Singular Hodge theory for combinatorial geometries ( Jacob Matherne, University of Oregon) -
- A Proof of Grünbaum's Lower Bound Conjecture for general polytopes, and strongly regular CW spheres (Lei Xue, University of Washington) -
- Decompositions of Ehrhart h*-Polynomials for Rational Polytopes (Andrés R. Vindas Meléndez, University of Kentucky ) -
- A categorification of the Malvenuto-Reutenauer algebra via a tower of groups (Farid Aliniaeifard, The University of British Columbia) -
- A Higher-Dimensional Sandpile Map (Alex McDonough, Brown University) -
- Empty axis-parallel boxes ( Boris Bukh, Carnegie Mellon University) -
- How to divide multiple cakes fairly using topology ( Shira Zerbib, Iowa State University) -
- Symmetry Adapted Gram Spectrahedra ( Isabelle Shankar, UC Berkeley) -
- The 1/3–2/3 Conjecture for Coxeter groups (Yibo Gao, Massachusetts Institute of Technology) -
- Cubical Pachner moves and bordisms of immersions (Gaku Liu, University of Washington) -
- Order Polynomial Product Formulas and Poset Dynamics (Sam Hopkins, University of Minnesota) -
- The space of monotone paths of a linear program (Jesús A. De Loera, University of California, Davis) -
- Polymatroids and finite groups (Ed Swartz, Cornell University) -
- Cohomology rings of regular nilpotent Hessenberg varieties and hyperplane arrangements (Satoshi Murai, Waseda University) -
- The topological Tverberg problem beyond prime powers (Florian Frick, Carnegie Mellon University) -
- Counting tripods on the torus (Jayadev Athreya, University of Washington) -
- Factorization problems in complex reflection groups (Alejandro Morales, University of Massachusetts, Amherst) -
- Ordered set partitions, Garsia-Procesi modules, and rank varieties (Sean Griffin, University of Washington) -
- Cycle type factorizations in $GL_n F_q$ (Graham Gordon, University of Washington) -
- Separable elements and splittings of Weyl groups (Christian Gaetz, Massachusetts Institute of Technology) -
- Combinatorics of the double-dimer model (Helen Jenne, University of Oregon) -
- Combinatorics of CAT(0) cubical complexes and crossing complexes (Rowan Rowlands, University of Washington) -