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We introduce a new type of convergence in probability theory, which we call ``mod-Gaussian convergence''. It is directly inspired by theorems and conjectures, in random matrix theory and number theory, concerning moments of values of…

数论 · 数学 2009-12-26 Jean Jacod , Emmanuel Kowalski , Ashkan Nikeghbali

In this paper we complete our understanding of the role played by the limiting (or residue) function in the context of mod-Gaussian convergence. The question about the probabilistic interpretation of such functions was initially raised by…

概率论 · 数学 2014-09-10 Pierre-Loïc Méliot , Ashkan Nikeghbali

In the context of mod-Gaussian convergence, as defined previously in our work with J. Jacod, we obtain lower bounds for local probabilities for a sequence of random vectors which are approximately Gaussian with increasing covariance. This…

数论 · 数学 2014-02-26 E. Kowalski , A. Nikeghbali

Building on earlier work introducing the notion of "mod-Gaussian" convergence of sequences of random variables, which arises naturally in Random Matrix Theory and number theory, we discuss the analogue notion of "mod-Poisson" convergence.…

数论 · 数学 2009-12-26 E. Kowalski , A. Nikeghbali

In this work, a mode of convergence for measurable functions is introduced. A related notion of Cauchy sequence is given and it is proved that this notion of convergence is complete in the sense that Cauchy sequences converge. Moreover, the…

经典分析与常微分方程 · 数学 2024-04-17 Nuno J. Alves , João Paulos

Stein's method allows to prove distributional convergence of a sequence of random variables and to quantify it with respect to a given metric such as Kolmogorov's (a Berry-Ess\'een type theorem). Mod-* convergence quantifies the convergence…

概率论 · 数学 2017-01-12 Yacine Barhoumi-Andréani

In this paper we study $I^K$-convergence of functions with respect to probabilistic norm $\nu$ which is a generalization of $I^*_{\nu}$-convergence in probabilistic norm spaces. We also study on $I^K$-Cauchy functions and $I^K$-limit points…

一般拓扑 · 数学 2023-05-24 Amar Kumar Banerjee , Mahendranath Paul

Fourier-Dedekind sums are a generalization of Dedekind sums - important number-theoretical objects that arise in many areas of mathematics, including lattice point enumeration, signature defects of manifolds and pseudo random number…

数论 · 数学 2013-10-07 Emmanuel Tsukerman

Using Fourier analysis, we study local limit theorems in weak-convergence problems. Among many applications, we discuss random matrix theory, some probabilistic models in number theory, the winding number of complex brownian motion and the…

概率论 · 数学 2011-08-01 Freddy Delbaen , Emmanuel Kowalski , Ashkan Nikeghbali

Let $d$ be a probability distribution. Under certain mild conditions we show that $$ \lim_{x\to\infty}x\sum_{n=1}^\infty \frac{d^{*n}(x)}{n}=1,\qquad\text{where}\quad d^{*n}:=\underbrace{\,d*d*\cdots*d\,}_{n\text{ times}}. $$ For a…

数论 · 数学 2015-05-14 William D. Banks , Konstantin A. Makarov

We consider a special family of Gaussian hypergeometric functions whose entries are cubic and trivial characters over finite fields. The special values of these functions are known to give the Frobenius traces of families of Hessian…

数论 · 数学 2025-02-14 Ken Ono , Sudhir Pujahari , Hasan Saad , Neelam Saikia

In this paper, we show how to use the framework of mod-Gaussian convergence in order to study the fluctuations of certain models of random graphs, of random permutations and of random integer partitions. We prove that, in these three…

概率论 · 数学 2020-05-27 Valentin Féray , Pierre-Loïc Méliot , Ashkan Nikeghbali

This paper is an invitation to Fourier analysis in the context of reduced twisted C*-crossed products associated with discrete unital twisted C*-dynamical systems. We discuss norm-convergence of Fourier series, multipliers and summation…

算子代数 · 数学 2015-10-20 Erik Bedos , Roberto Conti

A variety of "pseudo-Voigt" functions, i.e. a linear combination of the Lorentz and Gauss function (occasionally augmented with a correction term), have been proposed as a closed-form approximation for the convolution of the Lorentz and…

计算物理 · 物理学 2020-10-21 Franz Schreier

We demonstrate the convergence of the characteristic polynomial of several random matrix ensembles to a limiting universal function, at the microscopic scale. The random matrix ensembles we treat are classical compact groups and the…

The present book gives a systematic overview of function theory and the theory of Stieltjes integral. In particular, we give a detailed account of the theory of functions of bounded variation and of the theory of regulated functions (=…

经典分析与常微分方程 · 数学 2024-05-28 V. Ya. Derr

For every natural number k we prove a decomposition theorem for bounded measurable functions on compact abelian groups into a structured part, a quasi random part and a small error term. In this theorem quasi randomness is measured with the…

组合数学 · 数学 2010-11-04 Balazs Szegedy

Derived from the results in [Giang et al.: \emph{Convolutions for the Fourier transforms with geometric variables and applications}, Math. Nachr. 283(12) (2010), 1758--1770], in this paper, we devoted to studying the boundedness properties…

经典分析与常微分方程 · 数学 2025-08-12 Nguyen Thi Hong Phuong , Trinh Tuan , Lai Tien Minh

Let H be a subgroup of some locally compact group G. Assume H is approximable by discrete subgroups and G admits neighborhood bases which are "almost-invariant" under conjugation by finite subsets of H. Let $m: G \to \mathbb{C}$ be a…

经典分析与常微分方程 · 数学 2014-07-10 Martijn Caspers , Javier Parcet , Mathilde Perrin , Éric Ricard

In this paper we have studied some important topological properties and characterization of I^K-convergence of functions which is a common generalization of I*-convergence of functions. We also introduce the idea of I^K*-convergence and…

一般拓扑 · 数学 2018-08-01 Amar Kumar Banerjee , Mahendranath Paul
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