## Speaker:

Professor Zhi-Qiang Wang

## Institution:

Utah State University

## Time:

Tuesday, February 10, 2004 - 3:00pm

## Location:

MSTB 254

We discuss some recent work on a family of weighted

Hardy-Sobolev inequalities due to Caffarelli-Kohn-Nirenberg

(1984),

including symmetry property and symmetry breaking of extremal

functions,

improved Hardy inequalities, as well as bound state solutions to

the associated nonlinear PDEs.