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De Sitter空间中紧致类空超曲面的积分公式

Large Integral Formula for Compact Space-like Hypersurfaces in de Sitter Space
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摘要 利用高阶平均曲率,建立了de Sitter空间中紧致类空超曲面的积分公式,得到了该类空超曲面是全脐的一个充要条件. In this paper, by using higher order mean curvature we established a new integral formula for compact space- like hypersurfaces in de Sitter space and obtained a necessary and sufficient condition which guarantees this space-like hypersurfaces is totally umbilical.
作者 姬秀 胡传峰
出处 《河南师范大学学报(自然科学版)》 CAS 北大核心 2013年第1期23-25,共3页 Journal of Henan Normal University(Natural Science Edition)
关键词 积分公式 紧致类空超曲面 DE SITTER空间 integral {ormula compact space-like hypersurfaces de Sitter space
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