arXiv:0909.1216 [math.FA]AbstractReferencesReviewsResources
Parrametric Poincare-Perron theorem with applications
J. Borcea, S. Friedland, B. Shapiro
Published 2009-09-07, updated 2010-11-09Version 2
We prove a parametric generalization of the classical Poincare-Perron theorem on stabilizing recurrence relations where we assume that the varying coefficients of a recurrence depend on auxiliary parameters and converge uniformly in these parameters to their limiting values. As an application we study convergence of the ratios of families of functions satisfying finite recurrence relations with varying functional coefficients. For example, we explicitly describe the asymptotic ratio for sequences of biorthogonal polynomials introduced by Ismail and Masson.
Comments: 22 pages, 4 figures, substantially revised final version, to appear in Journal d'Analyse Mathematique
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