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Locally collapsed 3-manifolds


Speaker: John Lott, UC Berkeley
Location: 2212 MSB
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.