独特性
数学
平稳分布
脉冲(物理)
应用数学
白噪声
摄动(天文学)
马尔可夫链
人口模型
马尔可夫过程
人口
统计物理学
数学分析
统计
物理
社会学
人口学
量子力学
作者
Sanling Yuan,Xuehui Ji,Huaiping Zhu
摘要
In this paper, we investigate the dynamics of a delayed logistic model with both impulsive and stochastic perturbations. The impulse is introduced at fixed moments and the stochastic perturbation is of white noise type which is assumed to be proportional to the population density. We start with the existence and uniqueness of the positive solution of the model, then establish sufficient conditions ensuring its global attractivity. By using the theory of integral Markov semigroups, we further derive sufficient conditions for the existence of the stationary distribution of the system. Finally, we perform the extinction analysis of the model. Numerical simulations illustrate the obtained theoretical results.
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