Discrete orthogonality of hypergeometric polynomial sequences on linear and quadratic lattices
arXiv:2202.06456
Abstract
We present a method to obtain weight functions associated with linear and quadratic lattices that yield discrete orthogonality with respect to a quasi-definite moment functional of the orthogonal polynomial sequences in the Askey scheme, with the exception of the Jacobi, Bessel, Laguerre, and Hermite polynomials.
14 pages