Combinatorics

Combinatorics and Geometry Seminar

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People

$Sara Billey$

Sara Billey

Professor and John Rainwater Faculty Fellow
$Me with the Klein quartic sculpture at the MSRI in Berkeley, CA$

Charles Camacho

Part-Time Lecturer
$Bennet Goeckner$

Bennet Goeckner

Postdoctoral Scholar
$Me with my bike$

Junaid Hasan

Graduate Student
$Amzi Jeffs$

Amzi Jeffs

Graduate Student
Eyal Lubetzky

Affiliate Associate Professor; Primary affiliation: Courant Institute of Mathematical Sciences, NYU
$Isabella Novik$

Isabella Novik

Robert R. & Elaine F. Phelps Professor, Graduate Program Director
Jonah Ostroff

Senior Lecturer
Patrick Perkins

Part-Time Senior Lecturer
Jacob Richey

Graduate Student
$Rowan Rowlands$

Rowan Rowlands

Graduate Student
$Farbod Shokrieh, UW$

Farbod Shokrieh

Assistant Professor
David Bruce Wilson

Affiliate Professor

News

2014 NSF Postdoctoral Fellows Toby Johnson and Austin Roberts (May 1, 2014)
Thomas Rothvoss arrives with a bang (May 1, 2014)
Matthew Kahle awarded an NSF CAREER grant (April 1, 2014)

Research

Camacho, C. Counting the Number of Quasiplatonic Topological Actions of the Cyclic Group on Surfaces. Submitted to Rocky Mountain Journal. Learn more

Past Events

CANCELED: Coding for sunflowers (Anup Rao, University of Washington) - March 11, 2020
Non-Eulerian Dehn-Sommerville relations (Lei Xue, University of Washington) - March 4, 2020
Measures on graphs and a Kazhdan’s theorem (Farbod Shokrieh, University of Washington) - February 26, 2020
The shape of a random pattern-avoiding permutation (Christopher Hoffman, University of Washington) - February 19, 2020
Embedding dimensions of convex codes (Amzi Jeffs, University of Washington) - February 12, 2020
A topological proof of the Shapiro-Shapiro Conjecture (Jake Levinson, University of Washington) - January 29, 2020
Signed tropical convexity (Georg Loho, London School of Economics and Political Science) - January 15, 2020
A Pieri rule for key polynomials (Danjoseph Quijada) - December 4, 2019
Electrical networks, hyperplane arrangements and matroids (Bob Lutz, Mathematical Sciences Research Institute) - November 20, 2019
Simplicial generation of Chow rings of matroids (Christopher Eur, University of California, Berkeley) - November 13, 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
Fixed points of parking functions (Nathan Williams, University of Texas at Dallas) - October 16, 2019
Algebraic signatures of convexity in combinatorial neural codes (Nora Youngs, Colby College) - October 9, 2019
Oriented matroids and combinatorial neural codes (Caitlin Lienkaemper, Pennsylvania State University) - October 2, 2019
Configuration Spaces on Trees with Loops (Safia Chettih) - May 24, 2018
Activated random walk on a cycle (Jacob Richey, University of Washington) - November 27, 2017
'Probabilyzing' Parking Functions (Persi Diaconis, Stanford University) - November 20, 2017
A crystal structure on shifted tableaux, with applications to type B Schubert curves (Maria Gillespie, UC Davis) - March 1, 2017
Confluence and near-confluence (Jim Propp, University of Massachusetts Lowell) - February 22, 2017
On the Existence of Tableaux with Given Modular Major Index (Josh Swanson, University of Washington) - February 8, 2017
Deformation Cones for Polytopes (Federico Castillo, UC Davis) - February 1, 2017
K-Theory and Monodromy of Schubert Curves - January 25, 2017
Greg Warrington, University of Vermont - January 11, 2017

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