Mathematics Colloquia and Seminars
Locally collapsed 3-manifoldsGeometry/Topology
|Speaker:||John Lott, UC Berkeley|
|Start time:||Tue, Apr 21 2009, 4:10PM|
The endgame in Perelman's proof of the geometrization conjecture involves a purely Riemannian statement : A 3-manifold that is locally volume-collapsed, with respect to a lower curvature bound, is a graph manifold. I will present a proof of this statement. This is joint work with Bruce Kleiner.