Dynamics of a General Stochastic Nonautonomous Lotka‐Volterra Model with Delays and Impulsive Perturbations

Qing Wang, Yongguang Yu and Shuo Zhang

Advances in Mathematical Physics, 2015, vol. 2015, issue 1

Abstract: A stochastic nonautonomous N‐species Lotka‐Volterra model with delays and impulsive perturbations is investigated. For this model, sufficient conditions for extinction, nonpersistence in the mean, weak persistence and stochastic permanence are given, respectively. The influences of the stochastic noises, and the impulsive perturbations on the properties of the stochastic model are also discussed. The critical value between weak persistence and extinction is obtained. Finally, numerical simulations are given to support the theoretical analysis results.

Date: 2015
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https://doi.org/10.1155/2015/824507

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnlamp:v:2015:y:2015:i:1:n:824507

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