POSITIVE PERIODIC SOLUTIONS FOR AN IMPULSIVE RATIO-DEPENDENT PREDATOR-PREY SYSTEM WITH DELAYS
2008
In this paper, we study a periodic ratio-dependent predator-prey system of two species with impulse and multiple time delays. By means of analysis techniques and the continuation theorem of coincidence degree theory, we obtain sucient conditions for the existence of positive periodic solutions of the system. Our results extend previous results obtained in (9).
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