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On the local times of noise reinforced Bessel processes

Bertoin, Jean (2022). On the local times of noise reinforced Bessel processes. Annales Henri Lebesgue, 5:1277-1294.

Abstract

We investigate the effects of noise reinforcement on a Bessel process of di-
mension d ∈ (0, 2), and more specifically on the asymptotic behavior of its additive functionals.
This leads us to introduce a local time process and its inverse. We identify the latter as an
increasing self-similar (time-homogeneous) Markov process, and from this, several explicit
results can be deduced.

On étudie les effects du renforcement du bruit sur un processus de Bessel de
dimension d ∈ (0, 2), et plus précisément sur le comportement asymptotique de ses fonction-
nelles additives. Cela nous conduit à introduire le processus du temps local et son inverse. Nous
identifions ce dernier comme un processus de Markov (homogène en temps) auto-similaire, ce
qui conduit à plusieurs résultats explicites.

Additional indexing

Other titles:Sur le temps locaux des processus de Bessel avec bruit renforcé
Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Mathematics
Dewey Decimal Classification:510 Mathematics
Uncontrolled Keywords:General Medicine
Language:English
Date:24 November 2022
Deposited On:12 Dec 2022 18:00
Last Modified:12 Dec 2022 20:08
Publisher:Presses Universitaires de Rennes
ISSN:2644-9463
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.5802/ahl.151
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  • Language: English
  • Licence: Creative Commons: Attribution 4.0 International (CC BY 4.0)

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