Asymptotic distribution of the derivative of the taut string accompanying Wiener process

Fuente: arXiv
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Auteurs principaux: Lifshits, Mikhail, Podchishchailov, Andrei
Format: Preprint
Publié: 2024
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author Lifshits, Mikhail
Podchishchailov, Andrei
author_facet Lifshits, Mikhail
Podchishchailov, Andrei
contents In the article, we find the asymptotic distribution of the derivative of the taut string accompanying a Wiener process in a strip of fixed width on long time intervals. This enables to find explicit expressions for minimal energy (averaged function of the derivative) of an absolutely continuous function in this strip. For example, for kinetic energy which was considered earlier by Lifshits and Setterqvist, the minimal energy per unit of time tends to $π^2/6r^2$ where $r$ is the strip width.
format Preprint
id arxiv_https___arxiv_org_abs_2411_04690
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Asymptotic distribution of the derivative of the taut string accompanying Wiener process
Lifshits, Mikhail
Podchishchailov, Andrei
Probability
In the article, we find the asymptotic distribution of the derivative of the taut string accompanying a Wiener process in a strip of fixed width on long time intervals. This enables to find explicit expressions for minimal energy (averaged function of the derivative) of an absolutely continuous function in this strip. For example, for kinetic energy which was considered earlier by Lifshits and Setterqvist, the minimal energy per unit of time tends to $π^2/6r^2$ where $r$ is the strip width.
title Asymptotic distribution of the derivative of the taut string accompanying Wiener process
topic Probability
url https://arxiv.org/abs/2411.04690