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Title: Riemann-Hilbert problem associated with Angelesco systems
Author: Branquinho, Amílcar
Fidalgo Prieto, Ulises
Moreno, Ana Pilar Foulquie
Keywords: Approximation by rational function
Rate of convergence
Simultaneous approximation Simultaneous approximation Simultaneous approximation
Issue Date: 2009
Publisher: Elsevier
Abstract: Angelesco systems of measures with Jacobi-type weights are considered. For such systems, strong asymptotics for the related multiple orthogonal polynomials are found as well as the Szego-type functions. In the procedure, an approach from the Riemann Hilbert problem plays a fundamental role.
Peer review: yes
DOI: 10.1016/
ISSN: 0377-0427
Publisher Version: doi:10.1016/
Appears in Collections:CIDMA - Artigos

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