Asymptotics for Exponential Functionals of Random Walks

Fuente: arXiv
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Autor principal: Xu, Wei
Formato: Preprint
Publicado: 2022
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author Xu, Wei
author_facet Xu, Wei
contents This paper provides a detailed description for the asymptotics of exponential functionals of random walks with light/heavy tails. We give the convergence rate based on the key observation that the asymptotics depends on the sample paths with either slowly decreasing local minimum or final value below a low level. Also, our thoughtful analysis of the interrelationship between the local minimum and the final value provides the exact expression for the limiting coefficients in terms of some transformations of the random walk.
format Preprint
id arxiv_https___arxiv_org_abs_2201_02975
institution arXiv
publishDate 2022
record_format arxiv
spellingShingle Asymptotics for Exponential Functionals of Random Walks
Xu, Wei
Probability
Primary 60G50, 60J55, secondary 60F10, 60E05
This paper provides a detailed description for the asymptotics of exponential functionals of random walks with light/heavy tails. We give the convergence rate based on the key observation that the asymptotics depends on the sample paths with either slowly decreasing local minimum or final value below a low level. Also, our thoughtful analysis of the interrelationship between the local minimum and the final value provides the exact expression for the limiting coefficients in terms of some transformations of the random walk.
title Asymptotics for Exponential Functionals of Random Walks
topic Probability
Primary 60G50, 60J55, secondary 60F10, 60E05
url https://arxiv.org/abs/2201.02975