Acta Mathematica Vietnamica
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ON THE PERMANENCE OF PREDATOR-PREY MODEL WITH THE BEDDINGTON-DEANGELIS FUNCTIONAL RESPONSE IN PERIODIC ENVIRONMENT
TRINH TUAN ANH, NGUYEN HUU DU, TONG THANH TRUNGpp. 267-280
Abstract
This paper studies a predator-prey population system described by a differential equation with the Beddington-DeAngelis functional response in the periodic case. We establish a sufficient criterion for the permanence of the system and for the existence of a positive periodic solution.