Polinomios ortogonales matriciales Matrix valued orthogonal polynomials Medidas discretas Orthogonal functions and polynomials Orthogonal polynomials and functions of hypergeometric type Discrete measures, structure formula Ecuación de Pearson Fórmula de Rodrigues Fórmula de estructura Harmonic analysis Pearson equation Polinomios ortogonales y funciones de tipo hipergeométricas Rodrigues formula Transformada esférica Basic orthogonal polynomials and functions Boundary value problems in the complex plane Branching rules Coideal subalgebras Completely integrable infinite-dimensional Hamiltonian and Lagrangian systems Darboux factorization Discrete measures Dual polynomials Ecuaciones de Toda Exceptional polynomials Factorización de Wiener-Hopf Factorization theory Funciones hipergeométricas Función de Szegö matricial Gegenbauer polynomials Hypergeometric functions