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de Sitter空间中的紧致类空子流形 被引量:1

On Compact Spacelike Submanifolds in de Sitter Space
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摘要 研究了de Sitter空间中一般的紧致类空子流形,获得了这种紧致类空子流形是全测地子流形的一个充分条件,改进了de Sitter空间中全测地子流形的外围空间. In this paper ,the compact spacelike submanifold in the de Sitter space has been researched .A necessary condition of the compact spacelike submanifold in the de Sitter space has been given .This con‐clusion can generalize and improve the ambient space of totally geodesic in the de Sitter space .
出处 《西南师范大学学报(自然科学版)》 CAS 北大核心 2015年第2期33-36,共4页 Journal of Southwest China Normal University(Natural Science Edition)
基金 国家自然科学青年科学基金项目(11201253)
关键词 DE SITTER空间 紧致 全测地 de Sitter space compact totally geodesic
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