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Permanence for a delayed discrete ratio-dependent predator-prey model with monotonic functional responses. (English) Zbl 1167.34359
Summary: A delayed discrete ratio-dependent predator-prey model with monotonic functional responses is proposed. By applying the comparison theorem of difference equation, sufficient conditions are obtained for the permanence of the system.

34D05 Asymptotic properties of solutions to ordinary differential equations
34K05 General theory of functional-differential equations
92D25 Population dynamics (general)
92D40 Ecology
Full Text: DOI
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