activity
20132026
most citedA lower bound on the differential entropy of log-concave random vectors with applications

42 citations · 79 across the 18 of their papers we have counts for

collaborators

25 papers

math.PR2026

Majorization, Entropy and Concentration Inequalities for Discrete -Concave Random Variables

Abdulmajeed Alqasem, Heshan Aravinda, Arnaud Marsiglietti

We establish a maximum-variance inequality for discrete -concave random variables in the regime , extending corresponding results beyond the discrete log-concave setti…

math.PR2025

A note on the Littlewood-Offord problem for discrete log-concave distributions

Arnaud Marsiglietti, James Melbourne

We present an extension of the famous Littlewood-Offord problem when Bernoulli distributions are replaced with discrete log-concave distributions. A variant of the Littlewood-Offor…

math.PR2022

On a Conjecture of Feige for Discrete Log-Concave Distributions

Abdulmajeed Alqasem, Heshan Aravinda, Arnaud Marsiglietti +1

A remarkable conjecture of Feige (2006) asserts that for any collection of independent non-negative random variables , each with expectation at most ,…

math.PR2022★ 3 cited

Concentration inequalities for log-concave sequences

Arnaud Marsiglietti, James Melbourne

We investigate quantitative implications of the notion of log-concavity through a probabilistic interpretation. In particular, we derive concentration inequalities, moment and entr…

math.PR2021

On the Equivalence of Statistical Distances for Isotropic Convex Measures

Arnaud Marsiglietti, Puja Pandey

We establish quantitative comparisons between classical distances for probability distributions belonging to the class of convex probability measures. Distances include total varia…

math.PR2021

Concentration Inequalities for Ultra Log-Concave Distributions

Heshan Aravinda, Arnaud Marsiglietti, James Melbourne

We establish concentration inequalities in the class of ultra log-concave distributions. In particular, we show that ultra log-concave distributions satisfy Poisson concentration b…

math.PR2020

Concentration functions and entropy bounds for discrete log-concave distributions

Sergey G. Bobkov, Arnaud Marsiglietti, James Melbourne

Two-sided bounds are explored for concentration functions and Rényi entropies in the class of discrete log-concave probability distributions. They are used to derive certain varian…

math.PR2020

Geometric and Functional Inequalities for Log-concave Probability Sequences

Arnaud Marsiglietti, James Melbourne

We investigate geometric and functional inequalities for the class of log-concave probability sequences. We prove dilation inequalities for log-concave probability measures on the…

math.PR2019

Entropic CLT for smoothed convolutions and associated entropy bounds

Sergey G. Bobkov, Arnaud Marsiglietti

We explore an asymptotic behavior of entropies for sums of independent random variables that are convolved with a small continuous noise.

math.PR2019

Local limit theorems for smoothed Bernoulli and other convolutions

Sergey G. Bobkov, Arnaud Marsiglietti

We explore an asymptotic behavior of densities of sums of independent random variables that are convoluted with a small continuous noise.

math.PR2019

Further investigations of Rényi entropy power inequalities and an entropic characterization of s-concave densities

Jiange Li, Arnaud Marsiglietti, James Melbourne

We investigate the role of convexity in Rényi entropy power inequalities. After proving that a general Rényi entropy power inequality in the style of Bobkov-Chistyakov (2015) fails…

math.PR2018

Asymptotic behavior of Rényi entropy in the central limit theorem

Sergey G. Bobkov, Arnaud Marsiglietti

We explore an asymptotic behavior of Rényi entropy along convolutions in the central limit theorem with respect to the increasing number of i.i.d. summands. In particular, the prob…

cs.IT2017

On the entropy power inequality for the Rényi entropy of order [0,1]

Arnaud Marsiglietti, James Melbourne

Using a sharp version of the reverse Young inequality, and a Rényi entropy comparison result due to Fradelizi, Madiman, and Wang, the authors are able to derive Rényi entropy power…

cs.IT2017★ 42 cited

A lower bound on the differential entropy of log-concave random vectors with applications

Arnaud Marsiglietti, Victoria Kostina

We derive a lower bound on the differential entropy of a log-concave random variable in terms of the -th absolute moment of . The new bound leads to a reverse entropy pow…

math.FA2017★ 5 cited

The convexification effect of Minkowski summation

Matthieu Fradelizi, Mokshay Madiman, Arnaud Marsiglietti +1

Let us define for a compact set the sequence $$ A(k) = \left\{\frac{a_1+\cdots +a_k}{k}: a_1, \ldots, a_k\in A\right\}=\frac{1}{k}\Big(\underset{k\ {\rm ti…

cs.IT2016

Variants of the Entropy Power Inequality

Sergey Bobkov, Arnaud Marsiglietti

An extension of the entropy power inequality to the form with arbitrary independent summands and in is obtained for the…

math.MG2016★ 1 cited

On the stability of Brunn-Minkowski type inequalities

Andrea Colesanti, Galyna V. Livshyts, Arnaud Marsiglietti

Log-Brunn-Minkowski inequality was conjectured by Boröczky, Lutwak, Yang and Zhang \cite{BLYZ}, and it states that a certain strengthening of the classical Brunn-Minkowski inequali…

math.MG2015★ 14 cited

Do Minkowski averages get progressively more convex?

Matthieu Fradelizi, Mokshay Madiman, Arnaud Marsiglietti +1

Let us define, for a compact set , the Minkowski averages of : $$ A(k) = \left\{\frac{a_1+\cdots +a_k}{k} : a_1, \ldots, a_k\in A\right\}=\frac{1}{k}\Big…

math.FA2015

Borell's generalized Prékopa-Leindler inequality: A simple proof

Arnaud Marsiglietti

We present a simple proof of Christer Borell's general inequality in the Brunn-Minkowski theory. We then discuss applications of Borell's inequality to the log-Brunn-Minkowski ineq…

math.PR2015★ 6 cited

A note on the convex infimum convolution inequality

Naomi Feldheim, Arnaud Marsiglietti, Piotr Nayar +1

We characterize the symmetric measures which satisfy the one dimensional convex infimum convolution inequality of Maurey. For these measures the tensorization argument yields the t…

math.PR2015

On the Brunn-Minkowski inequality for general measures with applications to new isoperimetric-type inequalities

Galyna Livshyts, Arnaud Marsiglietti, Piotr Nayar +1

In this paper we present new versions of the classical Brunn-Minkowski inequality for different classes of measures and sets. We show that the inequality \[ μ(λA + (1-λ)B)^{1/n} \g…

math.FA2014★ 8 cited

A note on an -Brunn-Minkowski inequality for convex measures in the unconditional case

Arnaud Marsiglietti

We consider a different -Minkowski combination of compact sets in than the one introduced by Firey and we prove an -Brunn-Minkowski inequality, $p \in [0,1…

math.FA2014

On the improvement of concavity of convex measures

Arnaud Marsiglietti

We prove that a general class of measures, which includes -concave measures, is -concave according to the terminology of Borell, with additional assumptions on t…

math.FA2013

Concavity properties of extensions of the parallel volume

Arnaud Marsiglietti

In this paper we establish concavity properties of two extensions of the classical notion of the outer parallel volume. On the one hand, we replace the Lebesgue measure by more gen…