Surfaces with Density, Isoperimetric Problems, and Perelman's Proof of the Poincaré Conjecture
September 22, 2009
Bailey Hall 207
Refreshments will be served in Bailey Hall 204 at 4:15
A density on a surface, just as in freshman physics, is just a positive function, used to weight perimeter and area. The isoperimetric problem seeks to enclose given (weighted) area with least (weighted) perimeter. All of these ideas came together in Perelman's proof of the Poincaré Conjecture. No prerequisites.
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