Abstract
Recently, systems of Clifford algebra-valued orthogonal polynomials have been studied from different points of view. We prove in this paper that for their building blocks there exist some three-term recurrence relations, similar to that for orthogonal polynomials of one real variable. As a surprising byproduct of own interest we found out that the whole construction process of Clifford algebra-valued orthogonal polynomials via Gelfand–Tsetlin basis or otherwise relies only on one and the same basic Appell sequence of polynomials.
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This work was supported by Portuguese funds through the CIDMA-Center for Research and Development in Mathematics and Applications of the University of Aveiro, the CMAT-Research Centre of Mathematics of the University of Minho and the FCT-Portuguese Foundation for Science and Technology (“Fundação para a Ciência e a Tecnologia”), within projects PEst-OE/MAT/UI4106/2014 and PEstOE/MAT/UI0013/2014.
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Cação, I., Falcão, M.I. & Malonek, H.R. Three-Term Recurrence Relations for Systems of Clifford Algebra-Valued Orthogonal Polynomials. Adv. Appl. Clifford Algebras 27, 71–85 (2017). https://doi.org/10.1007/s00006-015-0596-z
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DOI: https://doi.org/10.1007/s00006-015-0596-z