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Integral curvature bounds, distance estimates and applications. (English) Zbl 0969.53017

Authors’ summary: We show how the classical diameter bound for manifolds with positive Ricci curvature generalizes to a situation where one has integral curvature bounds. In addition, we also generalize the P. Lévy isoperimetric constant to this situation. This gives generalizations of work of Lichnerowicz, Cheng, Croke, Gallot, Colding and more.

MSC:

53C20 Global Riemannian geometry, including pinching
53C65 Integral geometry
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