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arxiv: 1007.1759 · v1 · submitted 2010-07-11 · 🧮 math.DG

Lower diameter bounds for compact shrinking Ricci solitons

classification 🧮 math.DG
keywords compactriccilowershrinkingbounddiameterlaplaciansolitons
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It is shown that the diameter of a compact shrinking Ricci soliton has a universal lower bound. This is proved by extending universal estimates for the first non-zero eigenvalue of Laplacian on compact Riemannian manifolds with lower Ricci curvature bound to a twisted Laplacian on compact shrinking Ricci solitons.

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