## Colloquium: Equivariant Index Theorem and the Van Est Map

Author: UNB

Posted on Nov 29, 2013

Category:
Seminars and Colloquia

#### Colloquium

#### Equivariant Index Theorem and the Van Est Map

**Xiang Tang** (Washington University in St Louis)

##### Thursday, October 31, 2013 at 3:30 pm

##### Tilley Hall Room 5

Let H be a compact subgroup of a Lie group G. When G/H is not compact, G-invariant elliptic operator on G/H in general fails to be Fredholm. In this talk, we will explain an index theorem about such operators using non-commutative geometry.
##### Dr. Xiang Tang is an Associate Professor of Mathematics at Washington University in St Louis