Lidia Fernández

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math.CA2026

Multiple Orthogonal Polynomials on the Ball and Radial Extensions

Lidia Fernández, Juan Antonio Villegas

A primary method for constructing orthogonal polynomials on the unit ball consists of combining a Jacobi-type radial component with a spherical harmonic angular part. Building upon…

math.CA2024

R $_{I I}$ type three term relations for bivariate polynomials orthogonal with respect to varying weights

Cleonice F. Bracciali, Antonia M. Delgado, Lidia Fernández +1

Given a bivariate weight function defined on the positive quadrant of $R^{2}$ , we study polynomials in two variables orthogonal with respect to varying measures obtained by…

Multiple Orthogonal Polynomials on the Ball and Radial Extensions

RII​ type three term relations for bivariate polynomials orthogonal with respect to varying weights

R $_{I I}$ type three term relations for bivariate polynomials orthogonal with respect to varying weights