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)

On a conjecture of A. Magnus concerning the asymptotic behavior of the recurrence coefficients of the generalized Jacobi polynomials. - Ana Pilar Foulquié Moreno; Andrei Martínez-Finkelshtein; Vítor Luís Sousa (J. Approx. Theory, 2010)

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

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)