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Multiplicity of positive almost periodic solutions in a delayed Hassell-Varley-type predator-prey model with harvesting on prey. (English) Zbl 1292.34077

Summary: We consider a delayed Hassell-Varley-type predator-prey model with harvesting on prey. By means of Mawhin’s continuation theorem of coincidence degree theory, some new sufficient conditions are obtained for the existence of at least two positive almost periodic solutions for the aforementioned model. An example is employed to illustrate the result of this paper. Copyright \(\copyright 2013\) John Wiley & Sons, Ltd.

MSC:

34K60 Qualitative investigation and simulation of models involving functional-differential equations
34K14 Almost and pseudo-almost periodic solutions to functional-differential equations
92D25 Population dynamics (general)
47N20 Applications of operator theory to differential and integral equations
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