Logarithmic asymptotic of multi-level Hermite-Pad\'e polynomials

Autor:	Ricardo, L. G. González, Lagomasino, G. López, Peralta, S. Medina
Rok vydání:	2020
Předmět:	Mathematics - Classical Analysis and ODEs Mathematics - Complex Variables 30E10 41A28 42C05
Druh dokumentu:	Working Paper
Popis:	We study the logarihtnmic asymptotic of multiple orthogonal polynomials arising in a mixed type Hermite-Pad\'e approximation problem associated with the rational perturbation of a Nikishin system of functions. The formulas obtained allow to give exact estimates of the rate of convergence of the corresponding Hermite-Pad\'e approximants. Comment: 17 pages. arXiv admin note: text overlap with arXiv:1904.00126
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2002.06194 Zobrazit plný text záznamu View this record from Arxiv