Differential identities for the structure function of some random matrix ensembles

PJ Forrester - Journal of Statistical Physics, 2021 - Springer
The structure function of a random matrix ensemble can be specified in terms of the
covariance of the linear statistics∑ j= 1 N eik 1 λ j,∑ j= 1 N e-ik 2 λ j for Hermitian matrices …

Computing marginal eigenvalue distributions for the Gaussian and Laguerre orthogonal ensembles

PJ Forrester, S Kumar, BJ Shen - arXiv preprint arXiv:2411.15635, 2024 - arxiv.org
The Gaussian and Laguerre orthogonal ensembles are fundamental to random matrix
theory, and the marginal eigenvalue distributions are basic observable quantities …

Joint moments of a characteristic polynomial and its derivative for the circular β-ensemble

PJ Forrester - Probability and Mathematical Physics, 2022 - msp.org
The problem of calculating the scaled limit of the joint moments of the characteristic
polynomial, and the derivative of the characteristic polynomial, for matrices from the unitary …

Finite size corrections for real eigenvalues of the elliptic Ginibre matrices

SS Byun, YW Lee - Random Matrices: Theory and Applications, 2024 - World Scientific
In this paper, we consider the elliptic Ginibre matrices in the orthogonal symmetry class that
interpolates between the real Ginibre ensemble and the Gaussian orthogonal ensemble. We …

Relations between moments for the Jacobi and Cauchy random matrix ensembles

PJ Forrester, AA Rahman - Journal of Mathematical Physics, 2021 - pubs.aip.org
We outline a relation between the densities for the β-ensembles with respect to the Jacobi
weight (1− x) a (1+ x) b supported on the interval (− 1, 1) and the Cauchy weight (1− ix) η (1+ …

Finite size corrections relating to distributions of the length of longest increasing subsequences

PJ Forrester, A Mays - Advances in Applied Mathematics, 2023 - Elsevier
Considered are the large N, or large intensity, forms of the distribution of the length of the
longest increasing subsequences for various models. Earlier work has established that for …

[HTML][HTML] On the gamma difference distribution

PJ Forrester - Statistics & Probability Letters, 2024 - Elsevier
The gamma difference distribution is defined as the difference of two independent gamma
distributions, with in general different shape and rate parameters. Starting with knowledge of …

Expanding the Fourier Transform of the Scaled Circular Jacobi Ensemble Density

PJ Forrester, BJ Shen - Journal of Statistical Physics, 2023 - Springer
The family of circular Jacobi β ensembles has a singularity of a type associated with Fisher
and Hartwig in the theory of Toeplitz determinants. Our interest is in the Fourier transform of …

Operator level limit of the circular Jacobi -ensemble

Y Li, B Valkó - Random Matrices: Theory and Applications, 2022 - World Scientific
We prove an operator level limit for the circular Jacobi β-ensemble. As a result, we
characterize the counting function of the limit point process via coupled systems of stochastic …

Cyclic Pólya ensembles on the unitary matrices and their spectral statistics

M Kieburg, SH Li, J Zhang, PJ Forrester - Constructive Approximation, 2023 - Springer
A framework to study the eigenvalue probability density function for products of unitary
random matrices with an invariance property is developed. This involves isolating a class of …