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We study the freely infinitely divisible distributions that appear as the laws of free subordinators. This is the free analog of classically infinitely divisible distributions supported on [0,\infty), called the free regular measures. We…

Probability · Mathematics 2012-12-20 Octavio Arizmendi , Takahiro Hasebe , Noriyoshi Sakuma

Let $X^{(\mu)}(ds)$ be an $\mathbb{R}^d$-valued homogeneous independently scattered random measure over $\mathbb{R}$ having $\mu$ as the distribution of $X^{(\mu)}((t,t+1])$. Let $f(s)$ be a nonrandom measurable function on an open interval…

Probability · Mathematics 2007-07-05 Ken-iti Sato

We prove that symmetric Meixner distributions, whose probability densities are proportional to $|\Gamma(t+ix)|^2$, are freely infinitely divisible for $0<t\leq\frac{1}{2}$. The case $t=\frac{1}{2}$ corresponds to the law of L\'evy's…

Probability · Mathematics 2014-09-12 Marek Bozejko , Takahiro Hasebe

The article is devoted to stochastic processes with values in finite-dimensional vector spaces over infinite locally compact fields with non-trivial non-archimedean valuations. Infinitely divisible distributions are investigated. Theorems…

Probability · Mathematics 2018-12-18 S. V. Ludkovsky

We study a new class of so-called rational-infinitely (or quasi-infinitely) divisible probability laws on the real line. The characteristic functions of these distributions are ratios of the characteristic functions of classical infinitely…

Probability · Mathematics 2025-10-29 Alexey Khartov

Given a sequence of real rooted polynomials $\{p_n\}_{n\geq 1}$ with a fixed asymptotic root distribution, we study the asymptotic root distribution of the repeated polar derivatives of this sequence. This limiting distribution can be seen…

Probability · Mathematics 2025-08-27 Daniel Perales , Zhiyuan Yang

We give an analytical approach to the definition of additive and multiplicative free convolutions which is based on the theory of Nevanlinna and of Schur functions. We consider the set of probability distributions as a semigroup $\bold M$…

Operator Algebras · Mathematics 2010-10-12 G. Chistyakov , F. Götze

The class of R-diagonal *-distributions is fairly well understood in free probability. In this class, we consider the concept of infinite divisibility with respect to the operation $\boxplus$ of free additive convolution. We exploit the…

Operator Algebras · Mathematics 2022-12-19 Hari Bercovici , Alexandru Nica , Michael Noyes , Kamil Szpojankowski

We introduce the notion of a conditionally free product and conditionally free convolution. We describe this convolution both from a combinatorial point of view, by showing its connection with the lattice of non-crossing partitions, and…

funct-an · Mathematics 2008-02-03 Marek Bozejko , Michael Leinert , Roland Speicher

This paper studies new classes of infinitely divisible distributions on R^d. Firstly, the connecting classes with a continuous parameter between the Jurek class and the class of selfdecomposable distributions are revisited. Secondly, the…

Probability · Mathematics 2009-09-11 Makoto Maejima , Muneya Matsui , Mayo Suzuki

Sampling bias is a foundational concept in statistics; associated bias transforms, such as size bias, have come to play important roles in probability theory of late. The first author and G. Reinert introduced zero bias, a transform whose…

Probability · Mathematics 2025-04-03 Larry Goldstein , Todd Kemp

We investigate a Belinschi-Nica type semigroup for free and Boolean max-convolutions. We prove that this semigroup at time one connects limit theorems for freely and Boolean max-infinitely divisible distributions. Moreover, we also…

Probability · Mathematics 2022-09-05 Yuki Ueda

We prove that the distribution of the product of two correlated normal random variables with arbitrary means and arbitrary variances is infinitely divisible. We also obtain exact formulas for the probability density function of the sum of…

Probability · Mathematics 2025-06-10 Robert E. Gaunt , Saralees Nadarajah , Tibor K. Pogány

We present a simplified explanation of why free fractional convolution corresponds to the differentiation of polynomials, by finding how the finite free cumulants of a polynomial behave under differentiation. This approach allows us to…

Operator Algebras · Mathematics 2025-02-06 Octavio Arizmendi , Katsunori Fujie , Daniel Perales , Yuki Ueda

If $F$ is a continuous function on the real line and $f=F'$ is its distributional derivative then the continuous primitive integral of distribution $f$ is $\int_a^bf=F(b)-F(a)$. This integral contains the Lebesgue, Henstock--Kurzweil and…

Classical Analysis and ODEs · Mathematics 2009-09-25 Erik Talvila

Let k be a positive integer and let D_k denote the space of joint distributions for k-tuples of selfadjoint elements in C*-probability space. The paper studies the concept of "subordination distribution of \mu \boxplus \nu with respect to…

Operator Algebras · Mathematics 2008-10-30 Alexandru Nica

Finite-free additive and multiplicative convolutions are operations on the set of polynomials with real roots, introduced independently by Szeg\"{o} and Walsh in the 1920s. These operations have regained some interest, in the last decade,…

Probability · Mathematics 2025-07-30 Octavio Arizmendi , Daniel Perales , Josue Vazquez-Becerra

This note extends Voiculescu's S-transform based analytical machinery for free multiplicative convolution to the case where the mean of the probability measures vanishes. We show that with the right interpretation of the S-transform in the…

Operator Algebras · Mathematics 2007-07-13 N. Raj Rao , Roland Speicher

Let $X$ be a random variable with finite second moment. We investigate the inequality: $P\{|X-E[X]|\le \sqrt{{\rm Var}(X)}\}\ge P\{|Z|\le 1\}$, where $Z$ is a standard normal random variable. We prove that this inequality holds for many…

Probability · Mathematics 2023-05-11 Ping Sun , Ze-Chun Hu , Wei Sun

In one dimension, the theory of the $G$-normal distribution is well-developed, and many results from the classical setting have a nonlinear counterpart. Significant challenges remain in multiple dimensions, and some of what has already been…

Probability · Mathematics 2014-12-04 Erhan Bayraktar , Alexander Munk