Article ID Journal Published Year Pages File Type
470975 Computers & Mathematics with Applications 2010 8 Pages PDF
Abstract

By using Mawhin’s continuation theorem of coincidence degree theory, we establish the existence of four positive periodic solutions for two species parasitical system with harvesting terms. An example is given to illustrate the effectiveness of our results.

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Physical Sciences and Engineering Computer Science Computer Science (General)
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Four positive periodic solutions to two species parasitical system with harvesting terms
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