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多时滞中立型捕食-食饵系统的Hopf分支 被引量:1

Hopf Bifurcation for a Neutral Predator-prey Model with Two Delays
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摘要 通过讨论多时滞中立型捕食-食饵系统正平衡点的稳定性与Hopf分支,分析其特征方程,发现当时滞穿越某些值时出现了分支,给出了寻找Hopf分支点的计算方法. This paper discusses the problem of Hopf bifurcation for a neutral predator-prey model with two delays. By analyzing the associated characterstic equation,it is found that Hopf bifurcation occurs when delays pass through a value. A formula for determining the direction of Hoof bifurcation is given.
作者 朱玲 蒋威
出处 《合肥学院学报(自然科学版)》 2007年第2期28-29,58,共3页 Journal of Hefei University :Natural Sciences
基金 国家自然科学基金项目(10241005) 教育部科学技术研究基金项目(205068) 安徽大学创新团队项目资助.
关键词 时滞 中立型 捕食-食饵系统 HOPF分支 稳定性 delay neutral predator-prey system Hopf bifurcation stability
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参考文献7

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同被引文献9

  • 1宋永利,韩茂安,魏俊杰.多时滞捕食-食饵系统正平衡点的稳定性及全局Hopf分支[J].数学年刊(A辑),2004,25(6):783-790. 被引量:27
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