# Lecture Series

## Geometry of Schubert varieties and Demazure character formula

**Shrawan Kumar**, Chapel Hill

**Time: ** 10 - 12 noon, April 5th, April 7th, April 12th, April 14th

**Venue:** HIM lecture hall, Poppelsdorfer Allee 45

** **Representation theory of symmetric groups and related Hecke algebras

**Alexander Kleshchev**, Oregon** **

**Time: ** 10 - 12 noon, February 22nd, February 24th, March 8th, March 10th

**Venue:** HIM lecture hall, Poppelsdorfer Allee 45

## Hall algebras

**Olivier Schiffmann**, Paris

**Time:** 10 - 12 noon, Tuesdays and Thursdays (January 31 - February 13, 2011)