Dynamic of a non-autonomous predator-prey system with infinite delay and diffusion

Authors:
Wei Ding;Maoan Han
Affiliations:
Department of Applied Mathematics, Shanghai Normal University, Shanghai 200234, China;Department of Applied Mathematics, Shanghai Normal University, Shanghai 200234, China
Venue:
Computers & Mathematics with Applications
Year:
2008

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Abstract

In the present paper, a nonlinear non-autonomous predator-prey dispersion model with continuous delay is studied. Sufficient conditions which guarantee the existence of a periodic positive solution are obtained by using Gaines and Mawhin's continuation theorem of coincidence degree theory. Moreover, globally asymptotically stability of the system is also obtained by means of a suitable Lyapunov functional. The applications show that these criteria are easily verified.