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《Journal of Hengshui University》 2008-04
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Hopf Bifurcation in a Class of Ecological System with Time Delay

ZHAO Hui-tao SUN Yao-wei (Department of Mathematics and Information Science,Zhoukou Normal College,Zhoukou,Henan 466001,China)  
In this paper,the Lotka-Volterr model with time delay is studied by using the theory of differential equation and Hopf bifurcation,and the condition on which positive equilibrium exists and the direction of Hopf bifurcation are given.
【CateGory Index】: O175.15
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