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局部对称Lorentz空间中具常平均曲率的完备超曲面

Complete Hypersurfaces with Constant Mean Curvature in Locally Symmetric Lorentz Spaces
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摘要 设L1n+1是截面曲率KL满足条件b/2<a≤KL≤b(a,b都是正实数)的局部对称Lorentz空间,Mn是L1n+1中具常平均曲率H的完备类空超曲面.利用极大值原理得到了Mn是全脐超曲面的三个充分条件. Let Ln+11 be a locally symmetric Lorentz space with sectional curvature KL satisfy b/2〈a≤KL≤b,M^n be a complete hypersurface with constant mean curvature in Ln+11. the maximum principle is employed to obtain the three sufficient conditions for M^n to be totally umbilical ones.
作者 张德燕
出处 《德州学院学报》 2013年第2期29-32,共4页 Journal of Dezhou University
基金 国家自然科学基金项目(11161019)
关键词 局部对称 超曲面 平均曲率 locally symmetric hypersurface average curvature
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参考文献8

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