| 一类二次系统极限环的拓扑结构 |
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| 引用本文： | 陈成美. 一类二次系统极限环的拓扑结构[J]. 数学理论与应用, 2006, 26(4): 60-62 |
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| 作者姓名： | 陈成美 |
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| 作者单位： | 中南大学数学科学与计算技术学院 长沙，410075 |
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| 摘 要： | 利用微分方程定性理论的分析方法,讨论了一类二次系统极限环的存在与结构.
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| 关 键 词： | 二次系统 极限环 拓扑结构 |
| 收稿时间： | 2006-05-12 |
The Discussion of Limit Cycle for a Class of Second System |
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| Cheng Chengmei. The Discussion of Limit Cycle for a Class of Second System[J]. Mathematical Theory and Applications, 2006, 26(4): 60-62 |
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| Authors: | Cheng Chengmei |
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| Affiliation: | Department of mathematics,central south university changsha,410075 |
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| Abstract: | The nonexistence of limit cycles and global phase portraits for a class of quadratic system is studied by using the method of qualitative analysis. |
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| Keywords: | quadratic system limit cycles global phase portraits |
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