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Two variable Freud orthogonal polynomials and matrix Painleve-type difference equations
(Taylor & Francis Ltd, 2022-09-10)
We study bivariate orthogonal polynomials associated with Freud weight functions depending on real parameters. We analyse relations between the matrix coefficients of the three term relations for the orthonormal polynomials ...
Polinomios ortogonales de Freud-Sobolev. Un caso no diagonal
(2018-05-31)
Se revisan algunas propiedades de los polinomios ortogonales respecto a un cierto producto interno tipo Freud. Seguidamente, a partir de éste, es considerado un producto interno tipo Freud-Sobolev particular Se determina ...