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math.CV2008★ 1 cited
Mixed type multiple orthogonal polynomials for two Nikishin systems
U. Fidalgo Prieto, A. López García, G. López Lagomasino +1
We study the logarithmic and ratio asymptotic of linear forms constructed from a Nikishin system which satisfy orthogonality conditions with respect to a system of measures generat…
math.CV2008
Relative Asymptotic of Multiple Orthogonal Polynomials for Nikishin Systems
Abey López García, Guillermo López Lagomasino
We prove relative asymptotic for the ratio of two sequences of multiple orthogonal polynomials with respect to Nikishin system of measures. The first Nikishin system ${\mathcal{N}}…