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-  2015 

关于deSitter空间中的伪脐类时子流形
On pseudo-umbilical timelike submanifold in a de Sitter space

DOI: 10.6040/j.issn.1671-9352.0.2014.391

Keywords: deSitter空间,伪脐类时子流形,积分不等式,
de Sitter space
,integral inequality,pseudo-umbilical timelike submanifold

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Abstract:

摘要: 利用活动标架法,研究了de Sitter空间中的伪脐类时子流形,得到了这类子流形关于其第二基本形式模长平方的一个积分不等式及其一些刚性定理。
Abstract: Based on the moving frames, the pseudo-umbilical timelike submanifold in a de Sitter space was studied. Also, an integral inequality about the squared norm of the second fundamental form for the submanifold and some rigidity theorems are obtained

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