On the convergence of type I Hermite–Padé approximants for rational perturbations of a Nikishin system

• G. López Lagomasino ^[1] ; S. Medina Peralta ^[1]
  1. [1] Universidad Carlos III de Madrid

     Universidad Carlos III de Madrid

     Madrid, España

     
• Localización: Journal of computational and applied mathematics, ISSN 0377-0427, Vol. 284, Nº 1 (15 August 2015), 2015, págs. 216-227
• Idioma: inglés
• DOI: 10.1016/j.cam.2015.01.010
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• Resumen

  • We study the convergence of type I Hermite–Padé approximation for a class of meromorphic functions obtained by adding a vector of rational functions with real coefficients to a Nikishin system of functions.