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Riordan arrays, orthogonal polynomials as moments, and Hankel transforms (1102.0921v1)
Published 4 Feb 2011 in math.CO
Abstract: Taking the examples of Legendre and Hermite orthogonal polynomials, we show how to interpret the fact that these orthogonal polynomials are moments of other orthogonal polynomials in terms of their associated Riordan arrays. We use these means to calculate the Hankel transforms of the associated polynomial sequences.
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