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arXiv 1704.02100math.PR
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i.i.d.的大偏差Galton-Watson过程全子代的复制

Large deviations for i.i.d. replications of the total progeny of a Galton--Watson process

Claudio Macci, Barbara Pacchiarotti

摘要:

高尔顿-沃森过程是分支过程最简单的例子。后代的分布与当灭绝几乎肯定发生时总后代的分布之间的关系是众所周知的。在本文中,我们说明了这两个分布之间的关系,当我们考虑大偏差率函数(由Cramér定理提供)的经验平均独立同分布。随机变量。我们还考虑了随机初始种群的情况。在最后一部分中,我们提出了大偏差的结果的估计序列的后代均值的基础上独立同分布。全部后代的复制。

英文摘要:

The Galton--Watson process is the simplest example of a branching process. The relationship between the offspring distribution, and, when the extinction occurs almost surely, the distribution of the total progeny is well known. In this paper, we illustrate the relationship between these two distributions when we consider the large deviation rate function (provided by Cramér's theorem) for empirical means of i.i.d. random variables. We also consider the case with a random initial population. In the final part, we present large deviation results for sequences of estimators of the offspring mean based on i.i.d. replications of total progeny.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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