Normal indices in Nikishin systems. - Amílcar José Pinto Lopes Branquinho; Jorge Bustamante; Ana Pilar Foulquié Moreno; Guillermo López Lagomasino (J. Approx. Theory, 2003)

Coherent pairs of linear functionals on the unit circle. - Amílcar José Pinto Lopes Branquinho; Ana Pilar Foulquié Moreno; Francisco Marcellán; Maria das Neves Rebocho (J. Approx. Theory, 2008)

Riemann-Hilbert problem associated with Angelesco systems. - Amílcar José Pinto Lopes Branquinho; Ulises Fidalgo; Ana Pilar Foulquié Moreno (J. Comput. Appl. Math., 2009)

Distributional equation for Laguerre-Hahn functionals on the unit circle. - Amílcar José Pinto Lopes Branquinho; Maria das Neves Rebocho (J. Comput. Appl. Math., 2009)

Matrix interpretation of multiple orthogonality. - Amílcar José Pinto Lopes Branquinho; Luis Cotrim; Ana Pilar Foulquié Moreno (Numer. Algorithms, 2010)

Sylvester equations for Laguerre-Hahn orthogonal polynomials on the real line. - Amílcar José Pinto Lopes Branquinho; Anabela Paiva; Maria das Neves Rebocho (Appl. Math. Comput., 2013)

Zeros of Orthogonal Polynomials Generated by the Geronimus Perturbation of Measures. - Amílcar Branquinho; Edmundo J. Huertas; Fernando R. Rafaeli (ICCSA (1), 2014)

Deformed Laguerre-Hahn orthogonal polynomials on the real line. - Amílcar José Pinto Lopes Branquinho; Maria das Neves Rebocho (Appl. Math. Comput., 2014)

A characterization theorem for semi-classical orthogonal polynomials on non-uniform lattices. - Amílcar Branquinho; Yang Chen 002; Galina Filipuk; Maria das Neves Rebocho (Appl. Math. Comput., 2018)

Matrix Toda and Volterra lattices. - Amílcar Branquinho; Ana Pilar Foulquié Moreno; Juan Carlos García-Ardila (Appl. Math. Comput., 2020)

Finite Markov chains and multiple orthogonal polynomials. - Amílcar Branquinho; Juan E. F. Díaz; Ana Pilar Foulquié Moreno; Manuel Mañas (J. Comput. Appl. Math., 2025)