Grigori Perelman

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What role did the Ricci flow play in Perelman's proof? Grigori Perelman
24 days ago | beth

What role did the Ricci flow play in Perelman's proof?

The Ricci flow was central to Perelman's proof of the Poincaré Conjecture. Introduced by Richard S. Hamilton, it is a process that deforms the metric of a manifold in a manner analogous to heat diffusion. Perelman utilized this concept to analyze and modify the geometric structure of 3-manifolds, eventually demonstrating how such structures evolve to reveal an underlying 3-sphere framework. This approach was crucial, providing new insights and techniques applicable within broader mathematical contexts.