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与年龄相关的随机时滞种群方程的指数稳定性
Exponential Stability of Age-Dependent Stochastic Delay Population Equations
【摘要】 本文研究了与年龄相关的随机时滞种群方程,运用Burkholder-Davis-Gundy定理和改进的 coercivity条件,建立了均方意义和几乎处处意义下与年龄相关的随机时滞种群方程稳定性的判定准则,得到了保证强解稳定的若干充分条件.
【Abstract】 This paper studies age-dependent stochastic delay population equations. By means of Burkholder-Davis-Gundy’s theorem and the improved coercivity conditions, some criteria are established for exponential stability of age-dependent stochastic delay population equations in the mean square and almost sure sense. Various sufficient conditions are obtained to ensure the stability of the strong solutions.
【关键词】 与年龄相关随机时滞种群方程;
几乎处处稳定;
均方稳定;
It(o|^)’s公式;
【Key words】 Age-dependent stochastic delay population equation; Almost sure stability; Mean square stability; It(o|^)’s formula;
【Key words】 Age-dependent stochastic delay population equation; Almost sure stability; Mean square stability; It(o|^)’s formula;
【基金】 中国石油大学校基金资助的项目.
- 【文献出处】 数学年刊A辑(中文版) ,Chinese Annals of Mathematics , 编辑部邮箱 ,2006年01期
- 【分类号】O211.63
- 【被引频次】31
- 【下载频次】251