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A note on a diffusive predator-prey model and its steady-state system

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Abstract

In this note, a diffusive predator-prey model subject to the homogeneous Neumann boundary condition is investigated and some qualitative analysis of solutions to this reaction-diffusion system and its corresponding steady-state problem is presented. In particular, by use of a Lyapunov function, the global stability of the constant positive steady state is discussed. For the associated steady state problem, a priori estimates for positive steady states are derived and some non-existence results for non-constant positive steady states are also established when one of the diffusion rates is large enough. Consequently, our results extend and complement the existing ones on this model.

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Correspondence to Rui Peng.

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The first and third authors are partially supported by National Natural Science Foundation of China (Grant Nos. 10801090, 10871185, 10726016); the first author is also supported by the Scientific Research Projects of Hubei Provincial Department of Education (Grant No. Q200713001) and Scientific Innovation Team Project of Hubei Provincial Department of Education (Grant No. T200809); the second author is partially supported by National Natural Science Foundation of China (Grant No. 10771032)

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Peng, R., Wang, M.X. & Yang, G.Y. A note on a diffusive predator-prey model and its steady-state system. Acta. Math. Sin.-English Ser. 26, 963–974 (2010). https://doi.org/10.1007/s10114-010-6565-5

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  • DOI: https://doi.org/10.1007/s10114-010-6565-5

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