The Problem of Moments: A Bunch of Classical Results with Some Novelties

PL Novi Inverardi, A Tagliani, JM Stoyanov - Symmetry, 2023 - mdpi.com
We summarize significant classical results on (in) determinacy of measures in terms of their
finite positive integer order moments. Well known is the role of the smallest eigenvalues of …

The smallest eigenvalue of large Hankel matrices generated by a singularly perturbed Laguerre weight

M Zhu, Y Chen, C Li - Journal of Mathematical Physics, 2020 - pubs.aip.org
An asymptotic expression of the orthonormal polynomials PN (z) as N→∞, associated with
the singularly perturbed Laguerre weight w α (x; t)= x α e− x− tx, x∈[0,∞), α>− 1, t≥ 0⁠, is …

The smallest eigenvalue of large Hankel matrices associated with a singularly perturbed Gaussian weight

D Wang, M Zhu, Y Chen - Proceedings of the American Mathematical …, 2022 - ams.org
An asymptotic expression for the polynomials $\mathcal {P} _n (z) $, $ z\notin (-\infty,\infty) $,
orthonormal with respect to a singularly perturbed Gaussian weight, $\exp (-z^ 2-t/z^ 2),~ z\in …

The smallest eigenvalue of large Hankel matrices generated by a deformed Laguerre weight

M Zhu, N Emmart, Y Chen… - Mathematical Methods in …, 2019 - Wiley Online Library
We study the asymptotic behavior of the smallest eigenvalue, λ N, of the Hankel (or
moments) matrix denoted by, with respect to the weight. An asymptotic expression of the …

The smallest eigenvalue of the Hankel matrices associated with a perturbed Jacobi weight

Y Wang, Y Chen - Applied Mathematics and Computation, 2024 - Elsevier
In this paper, we study the large N behavior of the smallest eigenvalue λ N of the (N+ 1)×(N+
1) Hankel matrix, HN=(μ j+ k) 0≤ j, k≤ N, generated by the γ dependent Jacobi weight w (z …

[PDF][PDF] An inexact Krylov subspace method for large generalized Hankel eigenproblems.

ZY Huang, TT Feng - ScienceAsia, 2024 - scienceasia.org
Krylov subspace method is an effective method for large-scale eigenproblems. The shift-and-
invert Arnoldi method is employed to compute a few eigenpairs of a large Hankel matrix …

[PDF][PDF] THE SMALLEST EIGENVALUE OF LARGE HANKEL MATRICES ASSOCIATED WITH A SEMICLASSICAL LAGUERRE WEIGHT

DAN WANG, M ZHU, Y CHEN - Mathematical Inequalities & …, 2024 - files.ele-math.com
The smallest eigenvalue of large Hankel matrices associated with a semiclassical Laguerre
weight Page 1 M athematical I nequalities & A pplications Volume 27, Number 1 (2024), 53–62 …

Three Problems in Random Matrices

J Hu - 2021 - search.proquest.com
In this thesis, we study three problems in random matrices, which are closely related to
orthogonal polynomials and Painlevé equations. The first problem is a follow-up of a paper …

[引用][C] Orthogonal polynomials, Hankel determinants and small eigenvalues associated with a deformed octic Freud weight

M Zhu, J Hu, Y Chen, X Wang - Random Matrices: Theory and …, 2021 - World Scientific
In this paper, we focus on the properties of the recurrence coefficients βn (t; α) of orthogonal
polynomials with respect to a deformed octic Freud weight w (x; t, α)=| x| αe− x8+ tx2, x, t∈ …