Christoffel functions for multiple orthogonal polynomials

DOI10.1016/j.jat.2022.105820OpenAlexW4294708694WikidataQ114164878 ScholiaQ114164878MaRDI QIDQ2088603

Walter Van Assche, Grzegorz Świderski

Publication date: 6 October 2022

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2203.14837

zbMATH Keywords

zero distributionChristoffel-Darboux kernelmultiple orthogonal polynomialsNevai's operators

Mathematics Subject Classification ID

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) Simultaneous approximation (41A28) Harmonic analysis on Euclidean spaces (42-XX) Approximations and expansions (41-XX)

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