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arxiv: 0709.2724 · v1 · submitted 2007-09-18 · 🧮 math.DG

Entropy Functionals, Sobolev Inequalities and kappa-Noncollapsing Estimates along the Ricci Flow

classification 🧮 math.DG
keywords entropyflowriccisobolevalongestimatesinequalitieskappa-noncollapsing
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In this survey we review Hamilton's entropy and Perelman's entropy, and provide motivations for these concepts. Then we review recent results on the logarithmic Sobolev inequality, the Sobolev inequalities and kappa-noncollapsing estimates along the Ricci flow, including the Ricci flow with surgeries.

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