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arXiv 2304.09705math.PR
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Poisson聚类过程两种子模型中泛型聚类的尾渐进行为与精确大偏差分析

Tail asymptotics and precise large deviations for some Poisson cluster processes

Fabien Baeriswyl, Valérie Chavez-Demoulin, Olivier Wintenberger

AI总结:

本文研究了再生Poisson聚类过程和Hawkes过程的尾渐进行为,利用正则变化性假设和Karamata定理推导出精确的大偏差结果。

摘要:

我们研究了两种子模型(即再生Poisson聚类过程和Hawkes过程)中泛型聚类的两个函数(最大值和标记和)的尾渐进行为。在假设过程的支配组件具有正则变化性的情况下,我们扩展了[18]和[5]的结果,利用Karamata的Tauberian定理进行推导。我们利用这些渐进行为,以[30]的方式推导出上述过程的精确大偏差结果。

英文摘要:

We study the tail asymptotics of two functionals (the maximum and the sum of the marks) of a generic cluster in two sub-models of the marked Poisson cluster process, namely the renewal Poisson cluster process and the Hawkes process. Under the hypothesis that the governing components of the processes are regularly varying, we extend results due to [18] and [5] notably, relying on Karamata's Tauberian Theorem to do so. We use these asymptotics to derive precise large deviation results in the fashion of [30] for the above-mentioned processes.

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