On polynomials orthogonal with respect to certain Sobolev inner products
Journal of Approximation Theory
Generalizations of a q-analogue of Laguerre polynomials
Journal of Approximation Theory
What is beyond coherent pairs of orthogonal polynomials?
Proceedings of the international conference (dedicated to Thomas Jan Stieltjes, Jr.) on Orthogonality, moment problems and continued fractions
Determination of all coherent pairs
Journal of Approximation Theory
Inner products involving q-differences: the little qLaguerre-Sobolev polynomials
Journal of Computational and Applied Mathematics - Special issue on higher transcendental functions and their applications
The semiclassical Sobolev orthogonal polynomials: A general approach
Journal of Approximation Theory
Numerical Algorithms
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In this paper we introduce the concept of q-coherent pair of linear functionals. We prove that if (u0, u1) is a q-coherent pair of linear functionals, then at least one of them has to be a q-classical linear functional. Moreover, we present the classification of all q- coherent pairs of positive-definite linear functionals when u0 or u1 is either the little q- Jacobi linear functional or the little q-Laguerre/Wall linear functional. Finally, by using limit processes, we recover the classification of coherent pairs of linear functionals stated by Meijer.