详细信息
de Sitter空间S1^n1+1(c)中标准数量曲率为c的类空超曲面
Space-like Hypersurface With Constant Normalized Scalar Curvature c in a de Sitter Space S_1~(n+1) (C)
文献类型:期刊文献
中文题名:de Sitter空间S1^n1+1(c)中标准数量曲率为c的类空超曲面
英文题名:Space-like Hypersurface With Constant Normalized Scalar Curvature c in a de Sitter Space S_1~(n+1) (C)
作者:宣满友[1];
机构:[1]绍兴文理学院数学系,浙江绍兴312000;
年份:2003
卷号:23
期号:9
起止页码:1
中文期刊名:绍兴文理学院学报:自然科学版
外文期刊名:Journal of Shaoxing College of Arts and Sciences
语种:中文
中文关键词:deSitter空间;标准数量曲率;类空超曲面;截面曲率;常数量曲率;全测地超曲面;微分几何
外文关键词:de Sitter space;;space-like hypersurface;;constant scalar curvature;;totally geodesic hypersurface
中文摘要:得到de Sitter空间S^n1+1(c)中标准数量曲率为常数c的类空超曲面的一个定理:设M^n是de Sitter空间S^n1+1(c)中标准数量曲率r与研S^n1+1(c)的截面曲率c相等的n维(n>2)紧致的类空超曲面,则M^n是全测地超曲面。
外文摘要:In this paper the author obtains a result for a compact space - like hypersurface with constant scalar cur- vature c in a de Sitter space S_1~(n+1)(c):Let M~n be an n - dimensional compact space - like hypersurface (n>2) in a de Sitter space S_1~(n+1)(c),if the normalized scalar curvature r of Mn is equal to the sectional curvature c of S_1~(n+1)(c), the n M~n is totally geodesic.
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