| 关于Nielsen数的注记 |
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| 引用本文： | 雷呈凤. 关于Nielsen数的注记[J]. 南昌航空工业学院学报, 2004, 18(1): 24-27 |
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| 作者姓名： | 雷呈凤 |
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| 作者单位： | 南昌航空工业学院信息与计算科学系,江西,南昌,330034 |
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| 摘 要： | 通过构造基本群的正规子群，得到有限复迭空间和自映射的提升。并定义了NL数，指出用NL数可以估算自映射的Nielsen数。
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| 关 键 词： | 复迭空间 自映射 不动点 Lefschetz数 Nielsen数 |
| 文章编号： | 1001-4926(2004)01-0024-04 |
| 收稿时间： | 2003-11-10 |
| 修稿时间： | 2003-11-10 |
A Note of Nielsen number |
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| LEI Cheng-feng. A Note of Nielsen number[J]. Journal of Nanchang Institute of Aeronautical Technology(Natural Science Edition), 2004, 18(1): 24-27 |
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| Authors: | LEI Cheng-feng |
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| Affiliation: | Nanchang Institute of Aeronautical Technology, Nanchang , 330034 China |
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| Abstract: | In this paper, the finite covering space and the advancements of the self- mapping are obtained by formation of normal subgroup of the fundamental group. And the N - L number is defined. The paper points out that the self- mapping Nielsen number can be estimated by using NL number. |
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| Keywords: | Coveting space Self- Mapping Fixed points Lefschetz number Nielsen number |
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