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22
votes
Shing-Tung Yau's doubts about Perelman's proof
The question is, unavoidably, somewhat ambiguous. Here are seven points, hopefully rather objective:
There are well-known expositions of Perelman's work by Cao & Zhu, Kleiner & Lott, and Morgan & Tia …
7
votes
Accepted
Ricci curvature : beyond heat-like flows
A small number of authors have considered hyperbolic versions of the standard flows, see e.g. "Wave character of metrics and hyperbolic geometric flow" by De-Xing Kong and Kefeng Liu and related artic …