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Uniqueness for volume-constraint local energy-minimizing sets in a half-space or a ball

  • Chao Xia ORCID logo EMAIL logo and Xuwen Zhang ORCID logo
Published/Copyright: August 25, 2023

Abstract

In this paper, we prove a Poincaré-type inequality for any set of finite perimeter which is stable with respect to the free energy among volume-preserving perturbation, provided that the Hausdorff dimension of its singular set is at most n - 3 . With this inequality, we classify all volume-constraint local energy-minimizing sets in a unit ball, a half-space or a wedge-shaped domain. In particular, we prove that the relative boundary of any energy-minimizing set is smooth.


Communicated by Yoshihiro Tonegawa


Award Identifier / Grant number: 11871406

Award Identifier / Grant number: 12271449

Funding statement: This work was partially supported by NSFC Nos. 11871406, 12271449.

Acknowledgements

The first author is grateful to Professor Guofang Wang for a useful discussion on this subject and his constant support. We would like to thank Professor Peter Sternberg for answering our questions regarding their paper [24]. We also would like to thank the anonymous referees for pointing out to us the boundary regularity results by De Philippis and Maggi [6, 7] for local minimizers of anisotropic free energy functionals under volume constraint and for valuable comments which helped improve the paper.

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Received: 2022-12-14
Accepted: 2023-06-05
Published Online: 2023-08-25
Published in Print: 2024-10-01

© 2023 Walter de Gruyter GmbH, Berlin/Boston

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