| 一类具有高阶奇点的三次系统 |
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| 引用本文： | 冯崇廉,韩玉良. 一类具有高阶奇点的三次系统[J]. 高师理科学刊, 1992, 0(4) |
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| 作者姓名： | 冯崇廉 韩玉良 |
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| 作者单位： | 绥化师范专科学校(冯崇廉)，绥化师范专科学校(韩玉良) |
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| 摘 要： | 本文研究了具有一个有限远奇点和一个无穷远奇点的一类三次系统.给出了极限环存在性或不存在性的一些条件,证明了如果极限环存在,则一定是集中分布的,并作出了系统无初等奇点时的全局相图.
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| 关 键 词： | 高阶奇点 极限环 |
A Kind of Cubic System with Higher Order Singular Points |
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| Feng Chonglian Han Yuliang. A Kind of Cubic System with Higher Order Singular Points[J]. Journal of Science of Teachers＇College and University, 1992, 0(4) |
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| Authors: | Feng Chonglian Han Yuliang |
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| Affiliation: | Suihua Teachers Training College |
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| Abstract: | In this paper is studied a kind of cubic system with a limitlessly distant singular point and an infinitely distant singular point; are given some conditions of the existence and non-existence of limit cycle; is proved that if there exist limit cycles, they must be concentratedly distributed, and the whole phase is drawn when the system has no primary singular point. |
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| Keywords: | Higher order singular point Limit cycle |
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