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Chih-Wei Chen

2013-11-07
10:30:00 - 12:00:00

R201 , Astronomy and Mathematics Building

Perelman [1] claimed that Bryant soliton is the unique 3D κ-noncollapsed steady gradient Ricci soliton with bounded positive curvature. A decade later, Simon Brendle [2] derived a proof of this claim. I will explain Brendle’s proof and interpret his ideas inside.

References: [1] G. Perelman, The entropy formula for the Ricci flow and its geometric applications, http://arxiv.org/abs/math/0211159 [2] S. Brendle, Rotational symmetry of self-similar solutions to the Ricci flow, to appear in Invent. Math.