| 食饵具有常数收获率的Volterra二次系统存在抛物弓形分界线环的充要条件 |
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| 引用本文： | 郝金彪. 食饵具有常数收获率的Volterra二次系统存在抛物弓形分界线环的充要条件[J]. 辽宁师范大学学报(自然科学版), 1994, 0(1) |
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| 作者姓名： | 郝金彪 |
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| 作者单位： | 辽宁师范大学数学系 |
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| 摘 要： | 本文给出具有常数收获率的Ｖｏｌｔｅｒｒａ二次系统存在代数分界线环的充要条件．
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| 关 键 词： | 二次系统，抛物弓形，极限环，分界线环 |
ON SUFFICIENT AND NACESSARY CONDITIONS OF VOLTERRA QUADRATIC DIFFERENTIAL SYSTEM WITH CONSTANT-RATE PREY HARVESTING EXISTS SEPARATRIX CYCLES OF PARABOLIC BOW. |
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| Hao Jinbiao. ON SUFFICIENT AND NACESSARY CONDITIONS OF VOLTERRA QUADRATIC DIFFERENTIAL SYSTEM WITH CONSTANT-RATE PREY HARVESTING EXISTS SEPARATRIX CYCLES OF PARABOLIC BOW.[J]. Journal of Liaoning Normal University(Natural Science Edition), 1994, 0(1) |
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| Authors: | Hao Jinbiao |
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| Abstract: | in this paper the author gives out sufficient and nacessary conditions for the existence of separatrix cycle of parabolic bow of Volterra quadratic differential system with constant-rate prey hervesing. |
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| Keywords: | quadratic system point singularity saddle point parabolic bow limit Cycle separatrix cycle |
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