Spectral theory for bounded banded matrices with positive bidiagonal factorization and mixed multiple orthogonal polynomials
DOI10.1016/j.aim.2023.109313arXiv2212.10235OpenAlexW4387353146MaRDI QIDQ6065297
Ana Foulquié Moreno, Amílcar Branquinho, Manuel Mañas
Publication date: 14 November 2023
Published in: Advances in Mathematics (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/2212.10235
totally nonnegative matricesoscillatory matricesFavard spectral representationbounded banded matricesmixed multiple Gaussian quadraturemixed multiple orthogonal polynomials
Orthogonal polynomials and functions of hypergeometric type (Jacobi, Laguerre, Hermite, Askey scheme, etc.) (33C45) Orthogonal functions and polynomials, general theory of nontrigonometric harmonic analysis (42C05) Random matrices (algebraic aspects) (15B52) Other special orthogonal polynomials and functions (33C47) Linear difference operators (47B39) Jacobi (tridiagonal) operators (matrices) and generalizations (47B36)
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