| 广义捕食系统无闭轨的几组充分条件 |
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| 引用本文： | 谭宣. 广义捕食系统无闭轨的几组充分条件[J]. 生物数学学报, 1994, 0(Z1) |
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| 作者姓名： | 谭宣 |
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| 作者单位： | 哈尔滨科学技术大学!哈尔滨150080 |
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| 摘 要： | 本文对一类广义捕食系统生物种群生态常微模型建立几组无闭轨的充分条件，为开拓涉及该类模型制作参考类作全局制图定性的研究．
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| 关 键 词： | 闭轨 Dulac函数 Dulac定理 |
THE SUFFICIENT CONDITIONS OF NO CYCLE IN A GENERAL PREDATORY SYSTEM |
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| Tan Xuan. THE SUFFICIENT CONDITIONS OF NO CYCLE IN A GENERAL PREDATORY SYSTEM[J]. Journal of Biomathematics, 1994, 0(Z1) |
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| Authors: | Tan Xuan |
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| Abstract: | In this paper,the author make seven theorems of the sufficient conditions of no cycle in a general predatory system for the works in the fasional qualitative nomography of the ordinary differential models in biomathematics. |
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| Keywords: | Cycle Dirac function Dirac theorem |
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