Combinatorics Seminar Spring 2020

Thursdays 11-noon in room 199
Date Speaker Title
January 16 Reuven Hodges (UIUC) Classifying Levi spherical Schubert varieties
February 6 Martha Precup (WUSTL) Filtrations and bases for the cohomology of regular nilpotent Hessenberg varieties
February 13 John Shareshian (WUSTL) TBD
February 20 Jack Sonn (Technion - Israel Institute of Technology) Quadratic residues and difference sets
February 27 Laura Escobar (WUSTL) Which Schubert varieties are Hessenberg varieties?
March 12 Spring Break No Seminar


The seminar is co-organized by Laura Escobar, Martha Precup, and John Shareshian



Last semester's seminar.