Qualitative analysis of a stochastic rat
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Chunyan Ji; Daqing Jiang; Xiaoyue Li
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Article
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2011
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Elsevier Science
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English
β 434 KB
A stochastic ratio-dependent predator-prey model is investigated in this paper. By the comparison theorem of stochastic equations and ItΓ΄'s formula, we obtain the global existence of a positive unique solution of the ratio-dependent model. Besides, a condition for species to be extinct is given and