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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Convexity, critical points, and connectivity radius
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by Mikhail G. Katz PDF
Proc. Amer. Math. Soc. 148 (2020), 1279-1281 Request permission

Abstract:

We study the level sets of the distance function from a boundary point of a convex set in Euclidean space. We provide a lower bound for the range of connectivity of the level sets in terms of the critical points of the distance function in the sense of Grove–Shiohama–Gromov–Cheeger.
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Additional Information
  • Mikhail G. Katz
  • Affiliation: Department of Mathematics, Bar Ilan University, Ramat Gan, 5290002, Israel
  • MR Author ID: 197211
  • Email: katzmik@macs.biu.ac.il
  • Received by editor(s): July 21, 2019
  • Published electronically: December 6, 2019
  • Communicated by: Deane Yang
  • © Copyright 2019 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 148 (2020), 1279-1281
  • MSC (2010): Primary 53C23
  • DOI: https://doi.org/10.1090/proc/14892
  • MathSciNet review: 4055954