Progress on the study of the Ginibre ensembles I: GinUE

SS Byun, PJ Forrester - arXiv preprint arXiv:2211.16223, 2022 - arxiv.org
The Ginibre unitary ensemble (GinUE) consists of $ N\times N $ random matrices with
independent complex standard Gaussian entries. This was introduced in 1965 by Ginbre …

On the characteristic polynomial of the eigenvalue moduli of random normal matrices

SS Byun, C Charlier - Constructive Approximation, 2024 - Springer
We study the characteristic polynomial pn (x)=∏ j= 1 n (| zj|-x) where the zj are drawn from
the Mittag–Leffler ensemble, ie a two-dimensional determinantal point process which …

[HTML][HTML] Asymptotics of determinants with a rotation-invariant weight and discontinuities along circles

C Charlier - Advances in Mathematics, 2022 - Elsevier
We study the moment generating function of the disk counting statistics of a two-dimensional
determinantal point process which generalizes the complex Ginibre point process. This …

Szegő type asymptotics for the reproducing kernel in spaces of full-plane weighted polynomials

Y Ameur, J Cronvall - Communications in Mathematical Physics, 2023 - Springer
Consider the subspace W n of L 2 (C, d A) consisting of all weighted polynomials W (z)= P
(z)· e-1 2 n Q (z), where P (z) is a holomorphic polynomial of degree at most n-1, Q (z)= Q (z …

Exponential moments for disk counting statistics at the hard edge of random normal matrices

Y Ameur, C Charlier, J Cronvall… - arXiv preprint arXiv …, 2023 - content.ems.press
We consider the multivariate moment generating function of the disk counting statistics of a
model Mittag-Leffler ensemble in the presence of a hard wall. Let n be the number of points …

Planar equilibrium measure problem in the quadratic fields with a point charge

SS Byun - Computational Methods and Function Theory, 2024 - Springer
We consider a two-dimensional equilibrium measure problem under the presence of
quadratic potentials with a point charge and derive the explicit shape of the associated …

The random normal matrix model: insertion of a point charge

Y Ameur, NG Kang, SM Seo - Potential Analysis, 2021 - Springer
In this article, we study microscopic properties of a two-dimensional Coulomb gas ensemble
near a conical singularity arising from insertion of a point charge in the bulk of the droplet. In …

Determinantal Coulomb gas ensembles with a class of discrete rotational symmetric potentials

SS Byun, M Yang - SIAM Journal on Mathematical Analysis, 2023 - SIAM
We consider determinantal Coulomb gas ensembles with a class of discrete rotational
symmetric potentials whose droplets consist of several disconnected components. Under the …

Scaling limits of planar symplectic ensembles

G Akemann, SS Byun, NG Kang - SIGMA. Symmetry, Integrability and …, 2022 - emis.de
We consider various asymptotic scaling limits $ N\to\infty $ for the $2 N $ complex
eigenvalues of non-Hermitian random matrices in the symmetry class of the symplectic …

Exponential moments for disk counting statistics of random normal matrices in the critical regime

C Charlier, J Lenells - Nonlinearity, 2023 - iopscience.iop.org
We obtain large n asymptotics for the m-point moment generating function of the disk
counting statistics of the Mittag–Leffler ensemble, where n is the number of points of the …