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Persistence and non-persistence of a mutualism system with stochastic perturbation

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  • In this paper, we consider a $n$-species Lotka-Volterra mutualism system with stochastic perturbation. Sufficient criteria for persistence in mean and stationary distribution of the system are established. Besides, we show the large white noise will make the system nonpersistent. Finally, we illustrate the dynamic behavior of the system with $n=3$ and their approximations via a range of numerical experiments.
    Mathematics Subject Classification: Primary: 62F10, 34F05; Secondary: 92B05.


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