Length The relative isoperimetric inequality for minimal submanifolds with free boundary in the Euclidean space
JOURNAL OF FUNCTIONAL ANALYSIS(2023)
摘要
In this paper, we mainly consider the relative isoperimetric inequalities for minimal submanifolds with free boundary. We first generalize ideas of restricted normal cones introduced by Choe-Ghomi-Ritore in [10] and obtain an optimal area estimate for generalized restricted normal cones. This area estimate, together with the ABP method of Cabre in [5], provides a new proof of the relative isoperimetric inequality obtained by Choe-Ghomi-Ritore in [11]. Furthermore, we use this estimate and the idea of Brendle in his recent work [3] to obtain a relative isoperimetric inequality for minimal submanifolds with free boundary on a convex support surface in Rn+m, which is optimal and gives an affirmative answer to an open problem proposed by Choe in [9], Open Problem 12.6, when the codimension m <= 2. (c) 2023 Elsevier Inc. All rights reserved.
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关键词
relative isoperimetric inequality,minimal submanifolds,free boundary
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