局部对称空间中具有平行平均曲率向量的紧致伪脐子流形
The Compact Pseudo-Umbilical Submanifold with Parallel Mean Curvature Vector in the Locally Symmetric Space
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摘要: 研究了局部对称空间中具有平行平均曲率向量的紧致伪脐子流形,得到这类子流形成为全脐子流形及其余维数减少的几个 Pinching 定理。Abstract: This paper mainly discuss the compact pseudo‐umbilical submanifold with parallel mean curva‐ture in the locally symmetric space ,and we get some pinching theorems that the submanifold can become a totally umbilical submanifold and reduction of the codimension .
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