Discrete Schrödinger operator on a tree, Angelesco potentials, and their perturbations

DOI10.1134/S0081543820060012zbMath1458.39015OpenAlexW3128549966MaRDI QIDQ2227079

Maxim L. Yattselev, Sergey A. Denisov, Alexander I. Aptekarev

Publication date: 9 February 2021

Published in: Proceedings of the Steklov Institute of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1134/s0081543820060012

zbMATH Keywords

discrete Schrödinger operatorsmultiple orthogonal polynomialsAngelesco systemshomogeneous rooted tree

Mathematics Subject Classification ID

Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) Orthogonal polynomials and functions of hypergeometric type (Jacobi, Laguerre, Hermite, Askey scheme, etc.) (33C45) Discrete version of topics in analysis (39A12) Difference operators (39A70) Dynamical systems involving maps of trees and graphs (37E25)

Related Items (2)

Weak and strong asymptotics of orthogonal polynomials with varying weight ⋮ Mixed type Hermite-Padé approximants for a Nikishin system

Cites Work

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