°ÄÃÅÁùºÏ²Ê¿ª½±ÏÖ³¡

Curves Seminar

Monday, February 7th, 2022

Time: 11:00 a.m.  Place: Online via Zoom (contact Deepanshu Prasad for Zoom link)

Speaker: Deepanshu Prasad (°ÄÃÅÁùºÏ²Ê¿ª½±ÏÖ³¡)

Title: Coxeter arrangements and Shi arrangements.

Abstract: We will look at the Coxeter arrangements, arising from root systems, and Shi arrangements. We will calculate their characteristic polynomial using the finite field method and talk about their "supersolvability" and "freeness".