| 关于子流形的几个 Pinching 定理 |
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| 引用本文： | 乐进,刘恒兴.关于子流形的几个 Pinching 定理[J].武汉大学学报(工学版),1998(4). |
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| 作者姓名： | 乐进 刘恒兴 |
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| 作者单位： | 武汉大学 |
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| 摘 要： | 研究复射影空间中紧致全实极小子流形和法丛平坦子流形，得到了关于数量曲率和截面曲率的几个Ｐｉｎｃｈｉｎｇ定理．
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| 关 键 词： | 子流形 第二基本形式 数量曲率 截面曲率 全测地子流形 |
Some Pinching Theorems for Submanifolds |
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| Yue Jin.Some Pinching Theorems for Submanifolds[J].Engineering Journal of Wuhan University,1998(4). |
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| Authors: | Yue Jin |
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| Affiliation: | Yue Jin(College of Science) Liu Hengxing (Wuhan University) |
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| Abstract: | This note deals with compact totally real minimal submanifolds in complex projective spaces and submanifolds with flat normal bundle.Some pinching theorems for scalar curvature and sectional curvature are obtained. |
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| Keywords: | submanifolds the second fundamental form scalar curvature sectional curvature totally geodesic submanifolds |
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