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《Journal of Donghua University(Natural Science)》 2012-01
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Mathematical Analysis of a Predator-Prey Model

GU Xing(College of Science,Donghua University,Shanghai 201620,China)  
A predator-prey model considers some mixture of tracking prey and tracking the prey's resource,and it actually is a system of reaction-diffusion equations with self-diffusion and cross-diffusion.Based on the Schauder fixed-point theorem,this paper proves the global existence and boundedness of a weak solution to the model.
【CateGory Index】: O175
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