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We analyse the limiting behavior of the eigenvalue and singular value distribution for random convolution operators on large (not necessarily Abelian) groups, extending the results by M. Meckes for the Abelian case. We show that for regular…

概率论 · 数学 2017-12-21 Radosław Adamczak

We study the eigenvalue distribution of a random matrix, at a transition where a new connected component of the eigenvalue density support appears away from other connected components. Unlike previously studied critical points, which…

数学物理 · 物理学 2007-05-23 Bertrand Eynard

Employing the currently discussed notion of pseudo-Hermiticity, we define a pseudo-unitary group. Further, we develop a random matrix theory which is invariant under such a group and call this ensemble of pseudo-Hermitian random matrices as…

量子物理 · 物理学 2009-11-07 Zafar Ahmed , Sudhir R. Jain

Given a random quantum state of multiple distinguishable or indistinguishable particles, we provide an effective method, rooted in symplectic geometry, to compute the joint probability distribution of the eigenvalues of its one-body reduced…

量子物理 · 物理学 2014-10-21 Matthias Christandl , Brent Doran , Stavros Kousidis , Michael Walter

In this paper, we study a certain linear statistics of the unitary Laguerre ensembles, motivated in part by an integrable quantum field theory at finite temperature. It transpires that this is equivalent to the characterization of a…

经典分析与常微分方程 · 数学 2009-02-04 Yang Chen , Alexander Its

Spectral correlations in unitary invariant, non-Gaussian ensembles of large random matrices possessing an eigenvalue gap are studied within the framework of the orthogonal polynomial technique. Both local and global characteristics of…

统计力学 · 物理学 2009-10-30 E. Kanzieper , V. Freilikher

For a large class of symmetric random matrices with correlated entries, selected from stationary random fields of centered and square integrable variables, we show that the limiting distribution of eigenvalue counting measure always exists…

概率论 · 数学 2016-03-08 Costel Peligrad , Magda Peligrad

Using the diagrammatic method, we derive a set of self-consistent equations that describe eigenvalue distributions of large correlated asymmetric random matrices. The matrix elements can have different variances and be correlated with each…

无序系统与神经网络 · 物理学 2016-12-21 Alexander Kuczala , Tatyana O. Sharpee

This work is concerned with finite range bounds on the variance of individual eigenvalues of random covariance matrices, both in the bulk and at the edge of the spectrum. In a preceding paper, the author established analogous results for…

概率论 · 数学 2013-09-25 Sandrine Dallaporta

Smooth linear statistics of random permutation matrices, sampled under a general Ewens distribution, exhibit an interesting non-universality phenomenon. Though they have bounded variance, their fluctuations are asymptotically non-Gaussian…

概率论 · 数学 2011-06-13 Gérard Ben Arous , Kim Dang

We use classical results from harmonic analysis on matrix spaces to investigate the relation between the joint density of the singular values and of the eigenvalues of complex random matrices which are bi-unitarily invariant (also known as…

经典分析与常微分方程 · 数学 2017-03-22 Mario Kieburg , Holger Kösters

The complex Ginibre ensemble is an $N\times N$ non-Hermitian random matrix over $\mathbb{C}$ with i.i.d. complex Gaussian entries normalized to have mean zero and variance $1/N$. Unlike the Gaussian unitary ensemble, for which the…

概率论 · 数学 2018-05-24 Nicholas Crawford , Ron Rosenthal

In this paper we consider ensemble of random matrices $\X_n$ with independent identically distributed vectors $(X_{ij}, X_{ji})_{i \neq j}$ of entries. Under assumption of finite fourth moment of matrix entries it is proved that empirical…

概率论 · 数学 2012-08-07 Alexey Naumov

We relate the distribution of eigenvalues of a random symmetric matrix in the Gaussian Orthogonal Ensemble to the distribution of critical values of a random linear combination of eigenfunctions of the Laplacian on a compact Riemann…

微分几何 · 数学 2014-03-18 Liviu I. Nicolaescu

In this review we summarise recent results for the complex eigenvalues and singular values of finite products of finite size random matrices, their correlation functions and asymptotic limits. The matrices in the product are taken from…

数学物理 · 物理学 2015-10-28 Gernot Akemann , Jesper R. Ipsen

We consider $N\times N$ Hermitian or symmetric random matrices with independent entries. The distribution of the $(i,j)$-th matrix element is given by a probability measure $\nu_{ij}$ whose first two moments coincide with those of the…

数学物理 · 物理学 2011-11-16 Antti Knowles , Jun Yin

We study various methods to generate ensembles of random density matrices of a fixed size N, obtained by partial trace of pure states on composite systems. Structured ensembles of random pure states, invariant with respect to local unitary…

量子物理 · 物理学 2019-02-27 Karol Zyczkowski , Karol A. Penson , Ion Nechita , Benoit Collins

We consider the notion of the matrix (tensor) distribution of a measurable function of several variables. On the one hand, it is an invariant of this function with respect to a certain group of transformations of variables; on the other…

动力系统 · 数学 2023-11-03 A. Vershik

The scaled standard Wigner matrix (symmetric with mean zero, variance one i.i.d. entries), and its limiting eigenvalue distribution, namely the semi-circular distribution, has attracted much attention. The $2k$th moment of the limit equals…

概率论 · 数学 2021-03-18 Arup Bose , Koushik Saha , Arusharka Sen , Priyanka Sen

We present a Gaussian ensemble of random cyclic matrices on the real field and study their spectral fluctuations. These cyclic matrices are shown to be pseudo-symmetric with respect to generalized parity. We calculate the joint probability…

数学物理 · 物理学 2013-02-13 Sudhir R. Jain , Shashi C. L. Srivastava