Moments and large deviations for supercritical branching processes with immigration in random environments

被引:0
作者
Chunmao Huang
Chen Wang
Xiaoqiang Wang
机构
[1] Harbin Institute of Technology (Weihai),Department of Mathematics
[2] Sun Yat-sen University,School of Data and Computer Science
[3] Shandong University,School of Mathematics and Statistics
来源
Acta Mathematica Scientia | 2022年 / 42卷
关键词
branching process with immigration; random environment; moments; harmonic moments; large deviations; 60J80; 60K37; 60F10;
D O I
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中图分类号
学科分类号
摘要
Let (Zn) be a branching process with immigration in a random environment ξ, where ξ is an independent and identically distributed sequence of random variables. We show asymptotic properties for all the moments of Zn and describe the decay rates of the n-step transition probabilities. As applications, a large deviation principle for the sequence log Zn is established, and related large deviations are also studied.
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页码:49 / 72
页数:23
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