The Hankel transform of generalized central trinomial coefficients and related sequences

Petković, Marko D. and Rajković, Predrag M. and Barry, Paul (2011) The Hankel transform of generalized central trinomial coefficients and related sequences. Integral Transforms and Special Functions, 22 (1). pp. 29-44. ISSN 1065-2469

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Abstract

In this paper, we explore the connection between the Hankel transform, Riordan arrays and orthogonal polynomials. For this purpose, we evaluate the Hankel transform of generalized trinomial coefficients, as a closed-form expression, using the method based on the orthogonal polynomials. Since the generalized trinomial coefficients are generalization of several integer sequences, obtained expression is also applicable in these cases.We also showed that the coefficient array of corresponding orthogonal polynomials can be represented in terms of Riordan arrays, which provides the LDLT decomposition of the Hankel matrix. Moreover, we consider the row sums of the inverse of coefficient array matrix and evaluate its Hankel transform.

Item Type: Article
Additional Information: Funding Information: The authors gratefully acknowledge the support from the research projects 144011 and 144023 of the Serbian Ministry of Science.
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/2600/2603
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Depositing User: Admin SSL
Date Deposited: 19 Oct 2022 23:04
Last Modified: 07 Jun 2023 18:42
URI: http://repository-testing.wit.ie/id/eprint/3891

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