On the spread of positively curved Alexandrov spaces |
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Authors: | Takumi Yokota |
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Institution: | 1. Research Institute for Mathematical Sciences, Kyoto University, Kyoto?, 606-8502, Japan 2. Mathematisches Institut, University of Münster, Einsteinstr. 62, 48149?, Münster, Germany
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Abstract: | It was proved by F. Wilhelm that Gromov’s filling radius of closed positively curved manifolds with a uniform lower bound on sectional curvature attains the maximum with the round sphere. Recently the author proved that this is also the case for closed finite-dimensional Alexandrov spaces with a positive lower curvature bound. These were proved as a corollary of a comparison theorem for the invariant called spread of those spaces. In this paper, we extend the latter result to infinite-dimensional Alexandrov spaces. |
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