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随机3变量自催化模型的长时行为

Long-time behaviors of a stochastic three-variable autocatalator model
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摘要 研究了一个受白噪声干扰的随机化学3变量自催化剂反应模型的动力学行为.证明了随机系统的解是正的且全局存在的,并在白噪声强度值满足一定的条件下,得出随机自催化剂反应系统具有遍历性且是平稳分布的. A stochastic three-variable autocatalator chemical reaction model disturbed by white noise is introduced.It is proved that the solution of the stochastic system is positive and global.Furthermore,it is shown that there is a stationary distribution for the stochastic autocatalator reaction system and it has ergodic property with some conditions about the values of white noise.
作者 李慧慧 杨颖 李芳 LI Hui-hui;YANG Ying;LI Fang(School of Mathematics,Changchun Normal University,Changchun 130032,China)
出处 《东北师大学报(自然科学版)》 CAS 北大核心 2021年第4期43-48,共6页 Journal of Northeast Normal University(Natural Science Edition)
基金 国家自然科学基金青年基金资助项目(11701044).
关键词 随机自催化剂反应模型 李雅普诺夫函数 长时行为 stochastic autocatalator reaction model Lyapunov function long-time behaviors
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