全子一
全子一-
在这篇文章中，讨论了具有常数量曲率的拟紧致超曲面，并给出了它是全脐子流形的一个全脐条件。
In this paper , an intrinsic condition for a Compact Space-like hypersurface with constant scalar curvature in a de Sitter space to be totally umbilical is obtained .
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作为FI-扩张模和C11-模的推广，引入了FI-C11-模（如果M的任意全不变子模存在一个补是M的直和因子），讨论了该模的基本性质。
As a generalization of FI-extending modules and C_ ( 11 ) - modules , the concept of FI-C_ ( 11 ) - modules was introduced when fully invariant submodule of M had a complement as a direct summand of M , and its basic properties were discussed .