Calculus of Variations and Geometric Measure Theory
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A. Henrot - I. Lucardesi

Body of constant width with minimal area in a given annulus

created by lucardesi on 23 Apr 2020
modified on 08 Feb 2021

[BibTeX]

Accepted Paper

Inserted: 23 apr 2020
Last Updated: 8 feb 2021

Journal: Journal de l'École polytechnique - Mathématiques
Year: 2021

Abstract:

In this paper we address the following shape optimization problem: find the planar domain of least area, among the sets with prescribed constant width and inradius. In the literature, the problem is ascribed to Bonnesen, who proposed it in Bonnesen, Fenchel: Theorie der konvexen Körper,Springer-Verlag, 1934. In the present work, we give a complete answer to the problem, providing an explicit characterization of optimal sets for every choice of width and inradius. These optimal sets are particular Reuleaux polygons.


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