Comparative asymptotics for discrete semiclassical orthogonal polynomials
Bulletin of mathematical sciences(2022)
摘要
We study the ratio [Formula: see text] asymptotically as [Formula: see text], where the polynomials [Formula: see text] are orthogonal with respect to a discrete linear functional and [Formula: see text] denote the falling factorial polynomials. We give recurrences that allow the computation of high order asymptotic expansions of [Formula: see text] and give examples for most discrete semiclassical polynomials of class [Formula: see text]. We show several plots illustrating the accuracy of our results.
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关键词
orthogonal polynomials,comparative asymptotics
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