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2021 | OriginalPaper | Chapter

On Doney’s Striking Factorization of the Arc-Sine Law

Authors : Larbi Alili, Carine Bartholmé, Loïc Chaumont, Pierre Patie, Mladen Savov, Stavros Vakeroudis

Published in: A Lifetime of Excursions Through Random Walks and Lévy Processes

Publisher: Springer International Publishing

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Abstract

In Doney (Bull Lond Math Soc 19(2):177–182, 1987), R. Doney identifies a striking factorization of the arc-sine law in terms of the suprema of two independent stable processes of the same index by an elegant random walks approximation. In this paper, we provide an alternative proof and a generalization of this factorization based on the theory recently developed for the exponential functional of Lévy processes. As a by-product, we provide some interesting distributional properties for these variables and also some new examples of the factorization of the arc-sine law.

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Metadata
Title
On Doney’s Striking Factorization of the Arc-Sine Law
Authors
Larbi Alili
Carine Bartholmé
Loïc Chaumont
Pierre Patie
Mladen Savov
Stavros Vakeroudis
Copyright Year
2021
DOI
https://doi.org/10.1007/978-3-030-83309-1_3