随机环境中具有随机控制函数两性分枝过程The Bisexual Branching Processes with Random Control Functions in Random Environments
任敏,张光辉
摘要(Abstract):
主要讨论随机环境中具有随机控制函数的两性分枝过程,首先引入两性分枝过程的每个配对单元的条件均值增长率,讨论该条件均值增长率的性质,随着代数的增长条件均值的增长率的上、下界相互逼近,给出该两性分枝过程条件均值的上、下界.然后,利用Doob收敛定理、鞅收敛定理研究了两性分枝过程由此上、下界规范化后的极限性质,利用Fatou引理、控制收敛定理给出了几乎处处收敛和L1-收敛到非退化到0的随机变量的条件.
关键词(KeyWords): 随机环境;随机控制函数;两性分枝过程;几乎处处收敛;L1-收敛
基金项目(Foundation): 国家自然科学基金面上项目(11371029);; 宿州学院重点科研项目(2016yzd05);宿州学院重点课程建设研究项目(szxy2018zdkc44);; 安徽省优秀青年人才支持计划重点项目(gxyqZD2016340);; 安徽省质量工程研究项目(2018jyxm0697)
作者(Author): 任敏,张光辉
DOI: 10.16393/j.cnki.37-1436/z.2019.05.001
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