**Date & Time:** Monday, January 27, 2014, 15:30-17:30.

**Venue:** Room 216

**Speaker:** A. R. Shastri, IIT Bombay

**Title:** Higher homotopy groups of Lie groups and their quotients

**Abstract:** We shall begin with some basics on higher homotopy groups and then go on to compute some of them for *O(n), U(n)* and Stiefel and Grassmann varieties.