2 papers
math.CA2022
Two variable Freud orthogonal polynomials and matrix Painlevé-type difference equations
Cleonice F. Bracciali, Glalco S. Costa, Teresa E. Pérez
We study bivariate orthogonal polynomials associated with Freud weight functions depending on real parameters. We analyze relations between the matrix coefficients of the three ter…
math.CA2014
Sobolev orthogonal polynomials on product domains
L. Fernández, F. Marcellán, T. E. Pérez +2
Orthogonal polynomials on the product domain with respect to the inner product $$ \langle f,g \rangle_S = \int_{a_1}^{b_1} \int_{a_2}^{b_2} \nabla f(x,…