Journal
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS
Volume 236, Issue 1, Pages 74-84Publisher
ELSEVIER
DOI: 10.1016/j.cam.2011.03.006
Keywords
d-orthogonality; Basic hypergeometric polynomials; Linear functionals; Laguerre polynomials; Little q-Laguerre polynomials
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Funding
- Ministry of High Education and Technologie, Tunisia [02/UR/1501]
- King Saud University, Riadh [DSFP/Math 01]
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In this paper, we solve a characterization problem in the context of the d-orthogonality. That allows us, on one hand, to provide a q-analog for the d-orthogonal polynomials of Laguerre type introduced by the first author and Douak, and on the other hand, to derive new L-q-classical d-orthogonal polynomials generalizing the Little q-Laguerre polynomials. Various properties of the resulting basic hypergeometric polynomials are singled out. For d = 1, we obtain a characterization theorem involving, as far as we know, new L-q-classical orthogonal polynomials, for which we give the recurrence relation and the difference equation. (C) 2011 Elsevier B.V. All rights reserved.
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