Publications
An application of first-order logic to the study of recognizable languages. Internat. J. Algebra Comput.. 2004;14:785-799.
A note on primeness of semigroup rings. Proc. Roy. Soc. Edinburgh Sect. A. 1992;120:191-197.
On the circulation of algebraic knowledge in the Iberian península: the sources of Pérez de Moya's Tratado de Arithmetica (1573). Revue d'histoire des mathématiques . 2016;2:145-184.Edit
On unique factorization semilattices. Discuss. Math. Gen. Algebra Appl.. 2000;20:97-120.
José Anastácio da Cunha e a Álgebra do seu tempo. CMUM ed. Portugal, Braga: Universidade do Minho. Centro de Matemática (CMAT) 2005.Edit
A note on Pérez de Moya's Principios de Geometria (1584). Revue d'histoire des mathématiques . 2008;14 ( fascicule 1 ):113-133.Edit
Effects of pitch size and skill level on tactical behaviours of Association Football players during small-sided and conditioned games. International Journal of Sports Science & Coaching. 2014;9:993-1006.Edit
Conjugacy and transposition for inverse monoid presentations. Internat. J. Algebra Comput.. 1996;6:607-622.
Renaissance sources of Juan Pérez de Moya’s geometries. Asclepio. Revista de Historia de la Medicina y de la Ciencia. 2013;65 (2)(julio-diciembre ):1-18.Edit
A note on pure and $p$-pure languages. Acta Inform.. 2003;39:579-595.
Shared knowledge or shared affordances? insights from an ecological dynamics approach to team coordination in sports. Sports Medicine. 2013;43:765-772.Edit
Trees associated to inverse monoid presentations. J. Pure Appl. Algebra. 2001;165:307-335.
On finite-index extensions of subgroups of free groups. J. Group Theory. 2010;13:365-381.Edit
[2017-28] On finitely generated submonoids of free groups .
Rational languages and inverse monoid presentations. Internat. J. Algebra Comput.. 1992;2:187-207.
The homomorphism problem for the free monoid. Discrete Math.. 2002;259:189-200.