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We consider two-dimensional Coulomb gases on the Riemann sphere with determinantal or Pfaffian structures, under external potentials that are invariant under rotations around the axis connecting the north and south poles, and with…

数学物理 · 物理学 2025-01-14 Sung-Soo Byun , Nam-Gyu Kang , Seong-Mi Seo , Meng Yang

We consider the complex eigenvalues of the induced spherical Ginibre ensemble with symplectic symmetry and establish the local universality of these point processes along the real axis. We derive scaling limits of all correlation functions…

概率论 · 数学 2023-05-31 Sung-Soo Byun , Peter J. Forrester

We study a class of radially symmetric Coulomb gas ensembles at inverse temperature $\beta=2$, for which the droplet consists of a number of concentric annuli, having at least one bounded ``gap'' $G$, i.e., a connected component of the…

数学物理 · 物理学 2025-09-03 Yacin Ameur , Christophe Charlier , Joakim Cronvall

The probabilities for gaps in the eigenvalue spectrum of finite $ N\times N $ random unitary ensembles on the unit circle with a singular weight, and the related hermitian ensembles on the line with Cauchy weight, are found exactly. The…

数学物理 · 物理学 2016-09-07 N. S. Witte , P. J. Forrester

We consider the probability of having two intervals (gaps) without eigenvalues in the bulk scaling limit of the Gaussian Unitary Ensemble of random matrices. We describe uniform asymptotics for the transition between a single large gap and…

泛函分析 · 数学 2020-03-19 Benjamin Fahs , Igor Krasovsky

We consider eigenvalues of a product of n non-Hermitian, independent random matrices. Each matrix in this product is of size N\times N with independent standard complex Gaussian variables. The eigenvalues of such a product form a…

数学物理 · 物理学 2015-06-12 Gernot Akemann , Eugene Strahov

The real Ginibre spherical ensemble consists of random matrices of the form $A B^{-1}$, where $A,B$ are independent standard real Gaussian $N \times N$ matrices. The expected number of real eigenvalues is known to be of order $\sqrt{N}$. We…

数学物理 · 物理学 2025-08-07 Peter J. Forrester

We consider a two-dimensional determinantal point process arising in the random normal matrix model and which is a two-parameter generalization of the complex Ginibre point process. In this paper, we prove that the probability that no…

数学物理 · 物理学 2023-02-14 Christophe Charlier

We consider determinantal Coulomb gas ensembles with a class of discrete rotational symmetric potentials whose droplets consist of several disconnected components. Under the insertion of a point charge at the origin, we derive the…

数学物理 · 物理学 2022-10-11 Sung-Soo Byun , Meng Yang

We consider the circular unitary ensemble with a Fisher-Hartwig singularity of both jump type and root type at $z=1$. A rescaling of the ensemble at the Fisher-Hartwig singularity leads to the confluent hypergeometric kernel. By studying…

数学物理 · 物理学 2020-06-09 Shuai-Xia Xu , Yu-Qiu Zhao

We consider random normal matrix and planar symplectic ensembles, which can be interpreted as two-dimensional Coulomb gases having determinantal and Pfaffian structures, respectively. For general radially symmetric potentials, we derive the…

概率论 · 数学 2023-03-22 Sung-Soo Byun , Nam-Gyu Kang , Seong-Mi Seo

We obtain uniform asymptotics for polynomials orthogonal on a fixed and varying arc of the unit circle with a positive analytic weight function. We also complete the proof of the large $s$ asymptotic expansion for the Fredholm determinant…

泛函分析 · 数学 2007-05-23 I. V. Krasovsky

We consider the probability of two large gaps (intervals without eigenvalues) in the bulk scaling limit of the Gaussian Unitary Ensemble of random matrices. We determine the multiplicative constant in the asymptotics. We also provide the…

数学物理 · 物理学 2020-03-19 Benjamin Fahs , Igor Krasovsky

In this paper we employ the continuum approximation of Dyson to determine the asymptotic gap formation probability in the spectrum of $N\times N$ Hermitean random matrices. The associated orthogonal polynomials has weight function,…

凝聚态物理 · 物理学 2015-06-25 Yang Chen , Kasper Juel Eriksen

We study averages of multiplicative eigenvalue statistics in ensembles of orthogonal Haar distributed matrices, which can alternatively be written as Toeplitz+Hankel determinants. We obtain new asymptotics for symbols with Fisher-Hartwig…

数学物理 · 物理学 2020-08-19 Tom Claeys , Gabriel Glesner , Alexander Minakov , Meng Yang

We find the probability of two gaps of the form $(sc,sb)\cup (sa,+\infty)$, $c<b<a<0$, for large $s>0$, in the edge scaling limit of the Gaussian Unitary Ensemble of random matrices, including the multiplicative constant in the asymptotics.

泛函分析 · 数学 2021-08-11 Igor Krasovsky , Theo-Harris Maroudas

We give an exact formula for the value of the derivative at zero of the gap probability in finite n x n Gaussian ensembles. As n goes to infinity our computation provides an asymptotic (with an explicit constant) of the order n^(1/2). As a…

概率论 · 数学 2013-09-24 Antonio Lerario , Erik Lundberg

Rider, Sinclair and Xu (2013) introduced a solvable two charge ensemble of interacting charged particles on the real line in the presence of the harmonic oscillator potential. It can be seen as a special form of a grand canonical ensemble…

概率论 · 数学 2017-07-27 Martina Dal Borgo , Emma Hovhannisyan , Alain Rouault

We consider the limiting process that arises at the hard edge of Muttalib--Borodin ensembles. This point process depends on $\theta > 0$ and has a kernel built out of Wright's generalized Bessel functions. In a recent paper, Claeys, Girotti…

数学物理 · 物理学 2019-07-01 Christophe Charlier , Jonatan Lenells , Julian Mauersberger

We consider asymptotics of planar orthogonal polynomials $P_{n,N}$ (where $\mathrm{deg}P_{n,N}=n$) with respect to the weight $$\frac{|z-w|^{2NQ_1}}{(1+|z|^2)^{N(1+Q_0+Q_1)+1}}, \quad(Q_0,Q_1 > 0)$$ in the whole complex plane. With $n,…

经典分析与常微分方程 · 数学 2025-05-21 Sung-Soo Byun , Peter J. Forrester , Arno B. J. Kuijlaars , Sampad Lahiry
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