Compact Space-like Submanifolds in Pseudo-Riemann Manifold

• 作 者: SUNHe-jun WUBao-qiang
• 机 构: AcademyofMathematicsandSystemSciences,DepartmentofMathematics
• 出 处: 数学季刊：英文版
• 发表日期: 2004年1期
• 关键词: 微分几何 子流形 黎曼几何 超曲面 pseudo-Riemannian manifold submanifold hypersurface paralle
• 基金项目: Supported by the NNSF of China(10071080)

We first establish a integral inequality for compact maximal space-like subman-ifolds in pseudo-Riemannian manifolds N^np+p. Then, we investigate compact space-like sub-manifolds and hupersurfaces with parallel second fundamental form in N^np+p and some o