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The universality properties of kernels characterize the class of functions that can be approximated in the associated reproducing kernel Hilbert space and are of fundamental importance in the theoretical underpinning of kernel methods in…

机器学习 · 计算机科学 2025-06-25 Franziskus Steinert , Salem Said , Cyrus Mostajeran

We demonstrate the universality of the spectral correlation functions of a QCD inspired random matrix model that consists of a random part having the chiral structure of the QCD Dirac operator and a deterministic part which describes a…

高能物理 - 理论 · 物理学 2009-10-30 A. D. Jackson , M. K. Sener , J. J. M. Verbaarschot

The investigation of universality questions for local eigenvalue statistics continues to be a driving force in the theory of Random Matrices. For Matrix Models [53] the method of orthogonal polynomials can be used and the asymptotics of the…

We prove universality of local eigenvalue statistics in the bulk of the spectrum for orthogonal invariant matrix models with real analytic potentials with one interval limiting spectrum. Our starting point is the Tracy-Widom formula for the…

数学物理 · 物理学 2009-11-13 M. Shcherbina

We survey the current status of universality limits for $m$-point correlation functions in the bulk and at the edge for unitary ensembles, primarily when the limiting kernels are Airy, Bessel, or Sine kernels. In particular, we consider…

经典分析与常微分方程 · 数学 2016-08-11 Doron S. Lubinsky

I shall present a proof of universality of the microscopic spectral correlations in Verbaarschot's random matrix models of QCD, to corroborate the beautiful agreement between the predictions from the gaussian model and the numerical data.…

高能物理 - 理论 · 物理学 2007-05-23 Shinsuke M. Nishigaki

We develop a unified approach to universality of local scaling limits for eigenvalues of random normal matrices, or equivalently for planar Coulomb gases at inverse temperature $\beta=2$. The approach is direct in that it does not rely on…

概率论 · 数学 2025-11-25 Joakim Cronvall , Aron Wennman

We study two- and three-point correlation functions of chiral primary half-BPS operators in four-dimensional $\mathcal{N}=2$ superconformal circular, cyclic symmetric quiver theories. Using supersymmetric localization, these functions can…

高能物理 - 理论 · 物理学 2025-01-30 Gregory P. Korchemsky , Alessandro Testa

We solve the puzzle of the disagreement between orthogonal polynomials methods and mean field calculations for random NxN matrices with a disconnected eigenvalue support. We show that the difference does not stem from a Z2 symmetry…

凝聚态物理 · 物理学 2008-11-26 Gabrielle Bonnet , Francois David , Bertrand Eynard

We consider polynomial Bergman kernels with respect to exponentially varying weights $e^{-n \mathscr Q(z)}$ depending on a potential $\mathscr Q:\mathbb C^d\to\mathbb R$. We use these kernels to construct determinantal point processes on…

概率论 · 数学 2026-05-19 L. D. Molag

We prove a universal mesoscopic central limit theorem for linear eigenvalue statistics of a Wigner-type matrix inside the bulk of the spectrum with compactly supported twice continuously differentiable test functions. The main novel…

概率论 · 数学 2023-01-05 Volodymyr Riabov

There is a well known link from the first topic in the title to the third one. In this paper we thread that link through the second topic. The central result is a criterion for the tensor nilpotence of morphisms of perfect complexes over…

交换代数 · 数学 2018-11-27 Luchezar L. Avramov , Srikanth B. Iyengar , Amnon Neeman

We extend the study of \emph{melonic} quartic tensor models to models with arbitrary quartic interactions. This extension requires a new version of the loop vertex expansion using several species of intermediate fields and iterated…

高能物理 - 理论 · 物理学 2017-06-26 Thibault Delepouve , Razvan Gurau , Vincent Rivasseau

We briefly review the solution of three ensembles of non-Hermitian random matrices generalizing the Wishart-Laguerre (also called chiral) ensembles. These generalizations are realized as Gaussian two-matrix models, where the complex…

数学物理 · 物理学 2011-06-01 Gernot Akemann

We prove that the spectral radius of a large random matrix $X$ with independent, identically distributed complex entries follows the Gumbel law irrespective of the distribution of the matrix elements. This solves a long-standing conjecture…

概率论 · 数学 2026-02-16 Giorgio Cipolloni , László Erdős , Yuanyuan Xu

We evaluate averages involving characteristic polynomials, inverse characteristic polynomials and ratios of characteristic polynomials for a $N\times N$ random matrix taken from a $L$-deformed Chiral Gaussian Unitary Ensemble with an…

数学物理 · 物理学 2018-03-19 Yan V Fyodorov , Jacek Grela , Eugene Strahov

We study the local statistics of orthogonal polynomial ensembles near a hard edge, subject to a multiplicative deformation of the measure. Probabilistically, this deformation corresponds to a position-dependent conditional thinning of the…

数学物理 · 物理学 2026-02-23 Leslie Molag , Guilherme L. F. Silva , Lun Zhang

We show that near a point where the equilibrium density of eigenvalues of a matrix model behaves like y ~ x^{p/q}, the correlation functions of a random matrix, are, to leading order in the appropriate scaling, given by determinants of the…

数学物理 · 物理学 2009-09-08 Michel Bergere , Bertrand Eynard

We consider matrix orthogonal polynomials related to Bessel type matrices of weights that can be defined in terms of a given matrix Pearson equation. From a Riemann-Hilbert problem we derive first and second order differential relations for…

经典分析与常微分方程 · 数学 2025-02-27 Amílcar Branquinho , Ana Foulquié-Moreno , Assil Fradi , Manuel Mañas

Bessel processes $(X_{t,k})_{t\ge0}$ in $N$ dimensions are classified via associated root systems and multiplicity constants $k\ge0$. They describe interacting Calogero-Moser-Suther\-land particle systems with $N$ particles and are related…

概率论 · 数学 2021-05-20 Sergio Andraus , Michael Voit