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.
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页码：216 / 227
页数：12
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