GLOBAL PINCHING THEOREMS FOR SUBMANIFOLDS IN A PROJECTIVE SPACE

作     者：夏昌玉 

作者机构：Department of Mathematics University of Science and Technology of China Hefei 230026 PRC 

出 版 物：《Chinese Science Bulletin》 (科学通报(英文版))

年 卷 期：1991年第36卷第9期

页      面：782-783页

核心收录：

学科分类：07[理学] 08[工学] 

主　　题：inequality immersion SPACE totally devoted 气月 folds letter 口义 动功 

摘      要：Let M^n→S^(n+p)(1)be a compact minimal immersion and S denote the square norm of the second fundamental form of M. Simons inequality tells us that if Sn/(2-1/p), then M is totally geodesic. Noticing the pointwise condition for S, Shen, Lin and the