| 拉伸压缩不动点定理 |
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| 引用本文： | 刘乃功.拉伸压缩不动点定理[J].四川师范大学学报(自然科学版),1989(4). |
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| 作者姓名： | 刘乃功 |
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| 作者单位： | 四川师范大学数学系 |
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| 摘 要： | 孙经先(1987)证明了K-集压缩映射(K<1)在球上范数形式的拉伸与压缩不动点定理及锥拉伸与锥压缩不动点定理,本文将球推广为含θ的、满足-D=D 的有界凸开集D 上.
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| 关 键 词： | 拓扑度 拉伸压缩不动点定理 |
Fixed Theorems of Compression and Expansion |
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| Liu Naigong.Fixed Theorems of Compression and Expansion[J].Journal of Sichuan Normal University(Natural Science),1989(4). |
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| Authors: | Liu Naigong |
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| Institution: | Department of Mathematics |
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| Abstract: | This paper is to give a fixed theorem of compression.and expansion on bounded co-nvex.open set D with-D=D.it is a extension of Sun Jingxian's fixed theorem onball. |
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| Keywords: | Topological degnee Fixed point theorems of compression and expansion |
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