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1. Verfasser: Metz--Donnadieu, Alexis
Format: Preprint
Veröffentlicht: 2024
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Online-Zugang:https://arxiv.org/abs/2411.16541
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author Metz--Donnadieu, Alexis
author_facet Metz--Donnadieu, Alexis
contents Consider the boundary $\partial \mathbb D$ of the Brownian disk $\mathbb D$ as a metric space by endowing it with the (restriction of the) metric of $\mathbb D$. We show that the uniform measure on $\partial \mathbb D$ coincides with the Hausdorff measure associated with the gauge function $h(s)=κs^2\log\log(1/s)$ for some deterministic constant $κ>0$. We also state the analogous result for the boundary of the Brownian half-plane $\mathbb H$. This proves in particular that the uniform measure on the boundary of the Brownian disk (resp. the Brownian half-plane) is determined by the metric on $\mathbb D$ (resp. on $\mathbb H$).
format Preprint
id arxiv_https___arxiv_org_abs_2411_16541
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle The Hausdorff measure of the boundary of the Brownian disk
Metz--Donnadieu, Alexis
Probability
Consider the boundary $\partial \mathbb D$ of the Brownian disk $\mathbb D$ as a metric space by endowing it with the (restriction of the) metric of $\mathbb D$. We show that the uniform measure on $\partial \mathbb D$ coincides with the Hausdorff measure associated with the gauge function $h(s)=κs^2\log\log(1/s)$ for some deterministic constant $κ>0$. We also state the analogous result for the boundary of the Brownian half-plane $\mathbb H$. This proves in particular that the uniform measure on the boundary of the Brownian disk (resp. the Brownian half-plane) is determined by the metric on $\mathbb D$ (resp. on $\mathbb H$).
title The Hausdorff measure of the boundary of the Brownian disk
topic Probability
url https://arxiv.org/abs/2411.16541