Mathematics Colloquia and Seminars
Ends of groups and harmonic functionsGeometry/Topology
|Speaker:||Michael Kapovich, UC Davis|
|Start time:||Wed, Feb 13 2008, 4:10PM|
I will explain how to use a compactness theorem for harmonic functions on Riemannian manifolds (or graphs) in order to give a geometric proof of the Stallings' theorem on free decomposition of groups with infinitely many ends.