Thursday, October 1, 2009
11:30 AM in LWSN 1142
Fabrice Baudoin
Department of Mathematics, Purdue University

Generalized Bochner formulas and subelliptic heat kernels estimates

Abstract

We will prove generalized Bochner formulas for some subelliptic Hormander's type operators. As a consequence, we shall derive Li-Yau type estimates for the corresponding semigroup and heat kernels Gaussian bounds.