文件名称：常曲率空间关于直交全脐超曲面系的特征性质 (1987年)
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更新时间：2024-06-09 00:33:39
自然科学 论文
Let Vbe Riemannian space of genernal constant curvature. In this paper,we have proved following;Theorem I If a Vn ( n > 5 ) admits three mutually orthogonal families of totally numbilical hypersurfaces such that they are of constant curvature and Einstein