Publicaciones (66) Publicaciones de MIGUEL ÁNGEL PIÑAR GONZÁLEZ

2024

  1. Lax-type pairs in the theory of bivariate orthogonal polynomials

    Linear Algebra and Its Applications

  2. Sobolev orthogonal polynomials and spectral methods in boundary value problems

    Applied Numerical Mathematics, Vol. 200, pp. 254-272

2023

  1. Approximation via gradients on the ball. The Zernike case

    Journal of Computational and Applied Mathematics, Vol. 430

  2. On multivariate orthogonal polynomials and elementary symmetric functions

    Numerical Algorithms, Vol. 92, Núm. 1, pp. 183-206

2021

  1. Bivariate Koornwinder–Sobolev Orthogonal Polynomials

    Mediterranean Journal of Mathematics, Vol. 18, Núm. 6

  2. Sobolev Orthogonal Polynomials of Several Variables on Product Domains

    Mediterranean Journal of Mathematics, Vol. 18, Núm. 5

  3. The radial part of a class of Sobolev polynomials on the unit ball

    Numerical Algorithms, Vol. 87, Núm. 4, pp. 1369-1389

2020

  1. Geronimus transformations of bivariate linear functionals

    Journal of Mathematical Analysis and Applications, Vol. 484, Núm. 2

2019

  1. Asymptotic Behaviour of the Christoffel Functions on the Unit Ball in the Presence of a Mass on the Sphere

    Mediterranean Journal of Mathematics, Vol. 16, Núm. 1

  2. Coherent pairs of bivariate orthogonal polynomials

    Journal of Approximation Theory, Vol. 245, pp. 40-63

2018

  1. Best polynomial approximation on the unit ball

    IMA Journal of Numerical Analysis, Vol. 38, Núm. 3, pp. 1209-1228

  2. Matrix Pearson Equations Satisfied by Koornwinder Weights in Two Variables

    Acta Applicandae Mathematicae, Vol. 153, Núm. 1, pp. 81-100

  3. On bivariate classical orthogonal polynomials

    Applied Mathematics and Computation, Vol. 325, pp. 340-357

2017

  1. Three Term Relations for a Class of Bivariate Orthogonal Polynomials

    Mediterranean Journal of Mathematics, Vol. 14, Núm. 2

2016

  1. Multivariate orthogonal polynomials and modified moment functionals

    Symmetry, Integrability and Geometry: Methods and Applications (SIGMA), Vol. 12

  2. Orthogonal polynomials on the unit ball and fourth-order partial differential equations

    Symmetry, Integrability and Geometry: Methods and Applications (SIGMA), Vol. 12

  3. Sobolev orthogonal polynomials on the unit ball via outward normal derivatives

    Journal of Mathematical Analysis and Applications, Vol. 440, Núm. 2, pp. 716-740

2015

  1. A higher order Sobolev-type inner product for orthogonal polynomials in several variables

    Numerical Algorithms, Vol. 68, Núm. 1, pp. 35-46

  2. Sobolev orthogonal polynomials on product domains

    Journal of Computational and Applied Mathematics, Vol. 284, pp. 202-215

2013

  1. Sobolev-type orthogonal polynomials on the unit ball

    Journal of Approximation Theory, Vol. 170, pp. 94-106