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Discrete Geometry

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$a picture of Catherine Babecki$

Catherine Babecki

Graduate Student
$Bennet Goeckner$

Bennet Goeckner

Postdoctoral Scholar
Gaku Liu

Assistant Professor
Lei Xue

Graduate Student

News

Two graduate students awarded NSF postdoctoral fellowships (February 22, 2021)

Past Events

On discrete gradient vector fields and Laplacians of simplicial complexes (Andrew Tawfeek, Amherst College) - June 2, 2021
Morphisms, Minors, and Minimal Obstructions to Convexity of Neural Codes (Amzi Jeffs, University of Washington) - May 26, 2021
Many neighborly spheres (Isabella Novik, University of Washington) - May 19, 2021
On Schubert polynomials (Karola Mészáros, Cornell University) - May 12, 2021
Complex analysis meets combinatorics (Steffen Rohde, University of Washington) - May 5, 2021
An Efficient Algorithm for Deciding the Vanishing of Schubert Polynomial Coefficients (Colleen Robichaux, UIUC) - April 28, 2021
The equivariant Ehrhart theory of the permutahedron ( Mariel Supina, UC Berkeley) - April 21, 2021
An odd tale of permutation statistics (Angela Carnevale, National University of Ireland, Galway) - April 14, 2021
Type cones and products of simplices (Bennet Goeckner, University of Washington) - April 7, 2021
A structural Szemerédi–Trotter theorem for cartesian products (Adam Sheffer, CUNY) - March 10, 2021
Cubes, Codes, and Graphical Designs (Catherine Babecki, University of Washington) - March 3, 2021
Singular Hodge theory for combinatorial geometries ( Jacob Matherne, University of Oregon) - February 24, 2021
A Proof of Grünbaum's Lower Bound Conjecture for general polytopes, and strongly regular CW spheres (Lei Xue, University of Washington) - February 17, 2021
Decompositions of Ehrhart h*-Polynomials for Rational Polytopes (Andrés R. Vindas Meléndez, University of Kentucky ) - February 10, 2021
A categorification of the Malvenuto-Reutenauer algebra via a tower of groups (Farid Aliniaeifard, The University of British Columbia) - February 3, 2021
A Higher-Dimensional Sandpile Map (Alex McDonough, Brown University) - January 27, 2021
Empty axis-parallel boxes ( Boris Bukh, Carnegie Mellon University) - January 20, 2021
How to divide multiple cakes fairly using topology ( Shira Zerbib, Iowa State University) - January 13, 2021
Symmetry Adapted Gram Spectrahedra ( Isabelle Shankar, UC Berkeley) - December 9, 2020
The 1/3–2/3 Conjecture for Coxeter groups (Yibo Gao, Massachusetts Institute of Technology) - December 2, 2020
Cubical Pachner moves and bordisms of immersions (Gaku Liu, University of Washington) - November 18, 2020
Order Polynomial Product Formulas and Poset Dynamics (Sam Hopkins, University of Minnesota) - November 4, 2020
The space of monotone paths of a linear program (Jesús A. De Loera, University of California, Davis) - October 28, 2020
Polymatroids and finite groups (Ed Swartz, Cornell University) - October 21, 2020
Cohomology rings of regular nilpotent Hessenberg varieties and hyperplane arrangements (Satoshi Murai, Waseda University) - October 14, 2020
The topological Tverberg problem beyond prime powers (Florian Frick, Carnegie Mellon University) - October 7, 2020
Separable elements and splittings of Weyl groups (Christian Gaetz, Massachusetts Institute of Technology) - May 13, 2020
Combinatorics of CAT(0) cubical complexes and crossing complexes (Rowan Rowlands, University of Washington) - April 29, 2020
Coding for sunflowers (Anup Rao, University of Washington) - April 15, 2020
Neural codes and the factor complex (Alexander Ruys de Perez, Texas A&M University) - April 8, 2020
Non-Eulerian Dehn-Sommerville relations (Lei Xue, University of Washington) - March 4, 2020
Embedding dimensions of convex codes (Amzi Jeffs, University of Washington) - February 12, 2020
Signed tropical convexity (Georg Loho, London School of Economics and Political Science) - January 15, 2020
Electrical networks, hyperplane arrangements and matroids (Bob Lutz, Mathematical Sciences Research Institute) - November 20, 2019
Universal oriented matroids for subword complexes of Coxeter groups (Jean-Philippe Labbé, Freie Universität Berlin) - November 6, 2019
Hollow polytopes of large width (Giulia Codenotti, Freie Universität Berlin) - October 30, 2019
Diameter bounds for cocircuit graphs of oriented matroids (Steve Klee, Seattle University) - October 23, 2019
Oriented matroids and combinatorial neural codes (Caitlin Lienkaemper, Pennsylvania State University) - October 2, 2019

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