Strong asymptotics of multi-level Hermite-Pad\'e polynomials

We obtain the strong asymptotics of multiple orthogonal polynomials which arise in a mixed type Hermite-Pad\'e approximation problem defined on a Nikishin system of functions. The results obtained allow to give exact estimates of the rate of convergence of the approximating rational functions a...

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Hauptverfasser:	Ricardo, L. G. González, Lagomasino, G. López
Format:	Artikel
Sprache:	eng
Schlagworte:	Mathematics - Classical Analysis and ODEs
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