An impulsive predator–prey model with communicable disease in the prey species only

Maoxing Liu, Zhen Jin, Mainul Haque

Research output: Contribution to journalArticlepeer-review

Abstract

A system of impulsive differential equations describing predator-prey dynamics with impulsive effect is proposed and analyzed with the assumption that a transmissible disease is spreading among the prey species only. At first, the “semi-trivial” periodic solution (S(t),0,0) is given. After that, the existence of “infection-free” periodic solution and the “predator-free” periodic solution (S(t),0, P(t)) have been obtained via bifurcation. Finally, the method of coincidence degree has been used to derive a set of sufficient conditions for the existence of at least one strictly positive periodic solution. Numerical simulations and a brief discussion conclude the paper.
Original languageEnglish
Pages (from-to)3098-3111
JournalNonlinear Analysis: Real World Applications
Volume10
Issue number5
Early online date18 Oct 2008
DOIs
Publication statusPublished - 1 Oct 2009

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