Publications
A note on primeness of semigroup rings. Proc. Roy. Soc. Edinburgh Sect. A. 1992;120:191-197.
An application of first-order logic to the study of recognizable languages. Internat. J. Algebra Comput.. 2004;14:785-799.
Shared knowledge or shared affordances? insights from an ecological dynamics approach to team coordination in sports. Sports Medicine. 2013;43:765-772.Edit
A note on Pérez de Moya's Principios de Geometria (1584). Revue d'histoire des mathématiques . 2008;14 ( fascicule 1 ):113-133.Edit
Luis Inacio Woodhouse (1857-1927). Vol 1. U. Porto Edições ed. 2018.Edit
On unique factorization semilattices. Discuss. Math. Gen. Algebra Appl.. 2000;20:97-120.
Conjugacy and transposition for inverse monoid presentations. Internat. J. Algebra Comput.. 1996;6:607-622.
Equações no «Libro de Algebra» de Pedro Nunes. Vol 68 APM 2002.Edit
A note on pure and $p$-pure languages. Acta Inform.. 2003;39:579-595.
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
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
Rational languages and inverse monoid presentations. Internat. J. Algebra Comput.. 1992;2:187-207.
Dicionário de Matemática Elementar, de Stella Baruk. Vol 2 Edições Afrontamento 2005.Edit
The homomorphism problem for the free monoid. Discrete Math.. 2002;259:189-200.
[2010-14] Finite idempotent inverse monoid presentations .
On free inverse monoid languages. RAIRO Inform. Théor. Appl.. 1996;30:349-378.
Francisco Gomes Teixeira. CIM Bulletin. 2004;16:21-23.Edit
On an algorithm to decide whether a free group is a free factor of another. Theor. Inform. Appl.. 2008;42:395-414.Edit
The homomorphism problem for trace monoids. Theoret. Comput. Sci.. 2003;307:199-215.