Mathematics – Functional Analysis
Scientific paper
2009-09-07
Mathematics
Functional Analysis
22 pages, 4 figures, substantially revised final version, to appear in Journal d'Analyse Mathematique
Scientific paper
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.
Borcea Julius
Friedland Shmuel
Shapiro Boris
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