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arxiv: 1102.2019 · v1 · submitted 2011-02-10 · 🧮 math.DG

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A short proof to the rigidity of volume entropy

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keywords entropyvolumeproofrigidityshortbelowboundedclosed
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In this note we give a short proof to the rigidity of volume entropy. The result says that for a closed manifold with Ricci curvature bounded from below, if the universal cover has maximal volume entropy, then it is the space form. This theorem was first proved by F. Ledrappier and X. Wang in [1].

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