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SUN He-jun WU Bao-qiang.Academy of Mathematics System Sciences Chinese Academy of Sciences Beijing China .Department of Mathematics Xuzhou Normal University Xuzhou China 《数学季刊》2004,19(1):6-15
We first establish a integral inequality for compact maximal space-like subman ifolds in pseudo-Riemannian manifolds Np(n+p). Then, we investigate compact space-like sub manifolds and hupersurfaces with parallel second fundamental form in Np(n+p) and some other ambient spaces. We obtain some distribution theorems for the square norm of the second fundamental form. 相似文献
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