On the convergence of type I Hermite-Pade approximants for rational perturbations of a Nikishin system

被引：4

作者：

Lopez Lagomasino, G. ^{[1
]}

Medina Peralta, S. ^{[1
]}

机构：

[1] Univ Carlos III Madrid, Dept Matemat, Madrid 28911, Spain

来源：

JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS | 2015年 / 284卷

关键词：

Multiple orthogonal polynomials; Nikishin systems; Type I Hermite-Pade approximation;

D O I：

10.1016/j.cam.2015.01.010

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We study the convergence of type I Hermite-Pade approximation for a class of meromorphic functions obtained by adding a vector of rational functions with real coefficients to a Nikishin system of functions. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：216 / 227

页数：12

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