Density of the free additive convolution of multi-cut measures

Fuente: arXiv
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Autor principal: Moreillon, Philippe
Formato: Preprint
Publicado: 2022
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author Moreillon, Philippe
author_facet Moreillon, Philippe
contents We consider the free additive convolution semigroup $\lbrace μ^{\boxplus t}:\,t\ge 1\rbrace$ and determine the local behavior of the density of $μ^{\boxplus t}$ at the endpoints and at any singular point of its support. We then study the free additive convolution of two multi-cut probability measures and show that its density decays either as a square root or as a cubic root at any endpoints of its support. The probability measures considered in this paper satisfy a power law behavior with exponents strictly between $-1$ and $1$ at the endpoints of their supports.
format Preprint
id arxiv_https___arxiv_org_abs_2209_15607
institution arXiv
publishDate 2022
record_format arxiv
spellingShingle Density of the free additive convolution of multi-cut measures
Moreillon, Philippe
Probability
46L54, 60B20, 30A99
We consider the free additive convolution semigroup $\lbrace μ^{\boxplus t}:\,t\ge 1\rbrace$ and determine the local behavior of the density of $μ^{\boxplus t}$ at the endpoints and at any singular point of its support. We then study the free additive convolution of two multi-cut probability measures and show that its density decays either as a square root or as a cubic root at any endpoints of its support. The probability measures considered in this paper satisfy a power law behavior with exponents strictly between $-1$ and $1$ at the endpoints of their supports.
title Density of the free additive convolution of multi-cut measures
topic Probability
46L54, 60B20, 30A99
url https://arxiv.org/abs/2209.15607