PRINCIPAL CURVATURE ESTIMATES FOR THE LEVEL SETS OF HARMONIC FUNCTIONS AND MINIMAL GRAPHS IN R3

被引:9
|
作者
Ma, Xi-Nan [1 ]
Ye, Jiang [1 ]
Ye, Yun-Hua [1 ]
机构
[1] Univ Sci & Technol China, Dept Math, Hefei 230026, Anhui, Peoples R China
基金
美国国家科学基金会;
关键词
Curvature estimate; level sets; harmonic function; minimal graph; CONVEX CURVES; SURFACES;
D O I
10.3934/cpaa.2011.10.225
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We give a sharp lower bound for the principal curvature of the level sets of harmonic functions and minimal graphs defined on convex rings in R-3 with homogeneous Dirichlet boundary conditions.
引用
收藏
页码:225 / 243
页数:19
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