The general event horizon formula of black hole is given from null hypersurface equation.
从零
方程出发,导出了黑洞视界
普遍公式.
The general event horizon formula of black hole is given from null hypersurface equation.
从零方程出发,导出了黑洞视界普遍公式.
In this paper , a rigidity theorem of hypersurface in real space form will begiven.In addition, we obtain rigidity theorems of submanifold in sphere which improvethe result of Hou and Xu.
本文给出实空间形式中超一个刚性
理，同时也
中子流形刚性结果.
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