| 二次系统存在双曲线分界线环的充要条件 |
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| 引用本文： | 沈泊骞.二次系统存在双曲线分界线环的充要条件[J].辽宁师范大学学报(自然科学版),1991,14(1):1-9. |
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| 作者姓名： | 沈泊骞 |
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| 作者单位： | 辽宁师范大学数学系 |
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| 摘 要： |
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| 关 键 词： | 二次系统 定性理论 奇异性 极限环 |
A Necessary and Sufficient Condition for the Existence of Hyperbolic Separatrix Cycle in Quadratic System |
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| Shen Poqian.A Necessary and Sufficient Condition for the Existence of Hyperbolic Separatrix Cycle in Quadratic System[J].Journal of Liaoning Normal University(Natural Science Edition),1991,14(1):1-9. |
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| Authors: | Shen Poqian |
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| Institution: | Shen Poqian Department of Mathematics,Liaoning Normal University |
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| Abstract: | |
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| Keywords: | qualitative theory quadric curve sigularity limit cycle quadratic system |
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