Ultrametrics, Banach's fixed point theorem and the Riordan group. - Ana Luzón; Manuel A. Morón (Discret. Appl. Math., 2008)

Bivariate delta-evolution equations and convolution polynomials: Computing polynomial expansions of solutions. - Ana Luzón; Manuel A. Morón (Appl. Math. Comput., 2011)

Self-inverse Sheffer sequences and Riordan involutions. - Ana Luzón; Manuel A. Morón (Discret. Appl. Math., 2011)

Complementary Riordan arrays. - Ana Luzón; Donatella Merlini; Manuel A. Morón; Renzo Sprugnoli (Discret. Appl. Math., 2014)