| 一多项式系统极限环的存在性和唯一性 |
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| 作者姓名： | Liu Deming |
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| 作者单位： | Department of Mathematics and Computer，Shenyang Normal University，Shenyang，110031 |
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| 摘 要： | 讨论了多项式系统 极限环的存在性和唯一性，其中ａ为正的奇数，彻底解决了（１）的极限环个数和分 布问题。
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| 关 键 词： | 多项式系统 极限环 奇点 无切直线 |
Existence and Uniqueness of Limit Cycle for a Class of Polynomial System |
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| Liu Deming.Existence and Uniqueness of Limit Cycle for a Class of Polynomial System[J].Journal of Shenyang Normal University: Nat Sci Ed,1999(1). |
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| Authors: | Liu Deming |
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| Abstract: | in this paper, the existence and uniqueness of the limit cycle of following polynomial system are discussed with a as a positive odd number, we thus have completly solved the problem of numbers and position of limit cycle for system(1). |
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| Keywords: | Polynomial system Limit cycle Singular point Line without contact |
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