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Wang, Qi; Fang, Yayun; Lu, Dicheng

Existence of four periodic solutions for a generalized delayed ratio-dependent predator-prey system. (English) Zbl 1338.34123

Appl. Math. Comput. 247, 623-630 (2014).
Summary: By using the continuation theorem of coincidence degree theory, we obtain the existence condition of at least four periodic solutions for a delayed ratio-dependent predator-prey system. An example is represented to illustrate the feasibility of our main result.

Cited in 1 Document

MSC:

34K13 Periodic solutions to functional-differential equations
92D25 Population dynamics (general)

Keywords:

positive periodic solutions; predator-prey system; coincidence degree theory; the continuation theorem
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References:

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