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- indivual characteristric 个体特征
- The complete hypersurfaces with constant mean curvature in locally symmatric manifold are investigated, a characteristric theorem of complete hypersurface in locally symmatric manifold is obtained. 研究局部对称黎曼流形中的具有常中曲率的完备超曲面,得到了这类曲面全脐的一个结果。
- Minimax value and estimate of characteristric value of symmetric matrixes 对称矩阵特征值的极值与估计
