Relative isoperimetric inequality for minimal surfaces outside a convex set
- Authors
- Seo, Keomkyo
- Issue Date
- Feb-2008
- Publisher
- BIRKHAUSER VERLAG AG
- Keywords
- Convex set; Isoperimetric inequality; Minimal submanifold
- Citation
- ARCHIV DER MATHEMATIK, v.90, no.2, pp 173 - 180
- Pages
- 8
- Journal Title
- ARCHIV DER MATHEMATIK
- Volume
- 90
- Number
- 2
- Start Page
- 173
- End Page
- 180
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/148256
- DOI
- 10.1007/s00013-007-2318-9
- ISSN
- 0003-889X
1420-8938
- Abstract
- Let C be a closed convex set in a complete simply connected Riemannian manifold M with sectional curvature bounded above by a non-posit constant K. Assume that S is a compact minimal surface outside C such that Sigma is orthogonal to partial derivative C along partial derivative Sigma boolean AND partial derivative C. If partial derivative Sigma similar to partial derivative C is radially connected from a point p is an element of partial derivative Sigma boolean AND partial derivative C, then we prove a sharp relative isoperimetric inequality 2 pi Area(Sigma) <= Length(partial derivative Sigma similar to partial derivative C)(2) + KArea(Sigma)(2), where equality holds if and only if S is a geodesic half disk with constant Gaussian curvature K. We also prove the relative isoperimetric inequalities for minimal submanifolds outside a closed convex set in a higher-dimensional Riemannian manifold.
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