A two-piece property for free boundary minimal surfaces in the ball
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- by Vanderson Lima and Ana Menezes PDF
- Trans. Amer. Math. Soc. 374 (2021), 1661-1686 Request permission
Abstract:
We prove that every plane passing through the origin divides an embedded compact free boundary minimal surface of the euclidean $3$-ball in exactly two connected surfaces. We also show that if a region in the ball has mean convex boundary and contains a nullhomologous diameter, then this region is a closed halfball. Moreover, we prove the regularity at the corners of currents minimizing a partially free boundary problem by following ideas by Grüter and Simon. Our first result gives evidence to a conjecture by Fraser and Li.References
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Additional Information
- Vanderson Lima
- Affiliation: Instituto de Matemática e Estatística, Universidade Federal do Rio Grande do Sul, Brazil
- MR Author ID: 1200287
- ORCID: 0000-0003-3740-2348
- Email: vanderson.lima@ufrgs.br
- Ana Menezes
- Affiliation: Department of Mathematics, Princeton University, Princeton, New Jersey
- MR Author ID: 1055838
- ORCID: 0000-0002-2679-449X
- Email: amenezes@math.princeton.edu
- Received by editor(s): November 7, 2019
- Received by editor(s) in revised form: April 1, 2020, May 5, 2020, and June 4, 2020
- Published electronically: December 15, 2020
- © Copyright 2020 American Mathematical Society
- Journal: Trans. Amer. Math. Soc. 374 (2021), 1661-1686
- MSC (2010): Primary 53Axx, 53A10; Secondary 49Q15, 49Q05, 49Qxx
- DOI: https://doi.org/10.1090/tran/8223
- MathSciNet review: 4216720