Christoffel-Darboux kernels in several real variables

Christoffel-Darboux kernels in several real variables

The Christoffel-Darboux kernels for orthogonal polynomials in several real variables are investigated within the context of the three term recurrence relation reformulated for this purpose. Examples of orthogonal polynomials on the unit circle and on the Bernoulli lemniscate are discussed.

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Veröffentlicht in:arXiv.org 2022-09
Hauptverfasser: Cichoń, Dariusz, Szafraniec, Franciszek H
Format: Artikel
Sprache:eng
Schlagworte:
Kernels
Polynomials
Real variables
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Zusammenfassung:The Christoffel-Darboux kernels for orthogonal polynomials in several real variables are investigated within the context of the three term recurrence relation reformulated for this purpose. Examples of orthogonal polynomials on the unit circle and on the Bernoulli lemniscate are discussed.
ISSN:2331-8422