| The permanence and global attractivity of a competitive system with feedback controls and toxic substance |
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| 作者姓名： | HE Wei-lian |
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| 作者单位： | College of Basic Medicine, Fujian Medical University, Fuzhou 350004, China |
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| 摘 要： | In this paper, we consider a nonautonomous competitive system with feedback controls and toxic substance. Some average couditions for the permanence and global attractivity of the system are obtained. It is shown that our results are generalization or improvement of those of Zhao, Jiang and Lazer E Nonlinear Analysis ： Real World Applications, 5 （ 4 ） （ 2004 ）, 265 - 276 1, Xia, Cao, Zhang and Chen Journal of Mathematical Analysis and Applications ,294 （ 2 ） （ 2004 ）, 503 - 5221 and Chen Nonlinear Analysis ： Real World Applications, in press ].
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| 关 键 词： | 竞争系统 球形引力 反馈控制 有毒物质 李雅普诺夫函数 |
| 文章编号： | 1672-3600（2007）12-0031-09 |
| 收稿时间： | 2006-12-21 |
The permanence and global attractivity of a competitive system with feedback controls and toxic substance |
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| Abstract: | |
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| Keywords: | competition lower average upper average permanence Lyapunov function globally attrictive feedback control toxic substance |
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