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 Coherent pairs of linear functionals on the unit circle
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/8429

title: Coherent pairs of linear functionals on the unit circle
authors: Branquinho, Amílcar
Foulquie Moreno, Ana Pilar
Marcellán, Francisco
Rebocho, Maria das Neves
keywords: Orthogonal polynomials
Differential equations
Three-term recurrence relations
Measures on the unit circle
Hermitian functionals
issue date: 2008
publisher: Elsevier
abstract: In this paper we extend the concept of coherent pairs of measures from the real line to Jordan arcs and curves. We present a characterization of pairs of coherent measures on the unit circle. Some examples are given.
URI: http://hdl.handle.net/10773/8429
ISSN: 0021-9045
publisher version/DOI: http://dx.doi.org/10.1016/j.jat.2008.03.003
source: Journal of Approximation Theory
appears in collectionsCIDMA - Artigos

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