Nonnegatively curved hypersurfaces with free boundary on a sphere

Nonnegatively curved hypersurfaces with free boundary on a sphere
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DOI:
10.1007/s00526-019-1532-1
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发表时间:
2017-07
影响因子:
2.1
通讯作者:
M. Ghomi;Changwei Xiong
M. Ghomi;Changwei Xiong
中科院分区:
数学2区
文献类型:
--
作者:
M. Ghomi;Changwei Xiong

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证明了在欧氏空间中,任何具有自由边界的紧浸没非负曲线超曲面M都有嵌入的凸拓扑盘。特别地,当M的平均曲率不变时,M是球帽或赤道圆盘。
We prove that in Euclidean spaceany compact immersed nonnegatively curved hypersurfaceMwith free boundary on the sphereis an embedded convex topological disk. In particular, when themth mean curvature ofMis constant, for any,Mis a spherical cap or an equatorial disk.