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Discrete Geometry
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News
 Two graduate students awarded NSF postdoctoral fellowships (February 22, 2021)
Upcoming Events
 f* and h*vectors (Matthias Beck, San Francisco State University)  Oct 20  3:30pm to 5:00pm  PDL C38 and via Zoom Link: https://washington.zoom.us/j/91547335974
 Bumpless pipe dreams encode Gröbner geometry of Schubert polynomials (Patricia Klein, University of Minnesota)  Oct 27  3:30pm to 5:00pm  PDL C38 and via Zoom Link: https://washington.zoom.us/j/91547335974
 Combinatorial atlas for logconcave inequalities (Swee Hong Chan, University of California Los Angeles)  Nov 3  3:30pm to 5:00pm  PDL C38 and via Zoom Link: https://washington.zoom.us/j/91547335974
 TBA (Gil Kalai, Hebrew University of Jerusalem and IDC Herzliya)  Nov 10  3:30pm to 5:00pm  PDL C38 and via Zoom Link: https://washington.zoom.us/j/91547335974
 When is the probability of avoiding a graph superexponentially small? (Rajko Nenadov, Google Zürich)  Nov 17  3:30pm to 5:00pm  PDL C38 and via Zoom Link: https://washington.zoom.us/j/91547335974
 TBA (Kailash Misra, North Carolina State University)  Nov 29  3:30pm to 5:00pm  THO 202 and via Zoom Link: https://washington.zoom.us/j/91547335974
 TBA (Christopher Fraser, Michigan State University)  Dec 1  3:30pm to 5:00pm  PDL C38 and via Zoom Link: https://washington.zoom.us/j/91547335974
 TBA (Nicolle González, University of California Los Angeles)  Dec 8  3:30pm to 5:00pm  PDL C38 and via Zoom Link: https://washington.zoom.us/j/91547335974
Past Events
 Ppartition generating functions of naturally labeled posets (Ricky Liu, University of Washington)  October 13, 2021
 Lorentzian polynomials on cones and the HeronRotaWelsh conjecture (Jonathan Leake, Technische Universität Berlin, Germany)  October 6, 2021
 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 MalvenutoReutenauer algebra via a tower of groups (Farid Aliniaeifard, The University of British Columbia)  February 3, 2021
 A HigherDimensional Sandpile Map (Alex McDonough, Brown University)  January 27, 2021
 Empty axisparallel 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
 NonEulerian DehnSommerville 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 (JeanPhilippe 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