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《Journal of Chongqing University of Technology(Natural Science)》 2011-02
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Stability and Hopf Bifurcation of an Predator-prey Systems with a Nonlidence Rate

YE Zhi-yong,JIANG Hua-nan,DENG Cun-bing(School of Mathematics and Physics,Chongqing University of Technology,Chongqing 400054,China)  
This paper considers predator-prey system with a nonlinear incidence rate and disease in the prey,The prey system has invarible an input rate,We discuss the local stability of equilibria,The Hopf bifurcation near the positive equilibrium is analyzed by using the projection method for center manifold computation.
【Fund】: 重庆市自然科学基金资助项目(2005BB8085);; 重庆市教委科技项目(KJ080622)
【CateGory Index】: O175.13
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