Publications
Rational languages and inverse monoid presentations. Internat. J. Algebra Comput.. 1992;2:187-207.
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
The homomorphism problem for the free monoid. Discrete Math.. 2002;259:189-200.
The algebraic content of Bento Fernandes’s Tratado da arte de arismetica (1555). Historia Mathematica . 2008;35 :190-219.Edit
On an algorithm to decide whether a free group is a free factor of another. Theor. Inform. Appl.. 2008;42:395-414.Edit
On free inverse monoid languages. RAIRO Inform. Théor. Appl.. 1996;30:349-378.
The homomorphism problem for trace monoids. Theoret. Comput. Sci.. 2003;307:199-215.
Recognizable subsets of a group: finite extensions and the abelian case. Bull. Eur. Assoc. Theor. Comput. Sci. EATCS. 2002:195-215.
Automorphic orbits in free groups: words versus subgroups. Internat. J. Algebra Comput.. 2010;20:561-590.Edit
Finite automata for Schreier graphs of virtually free groups. J. Group Theory. 2016;19:25-54.Edit
Field dimension and skill level constrain team tactical behaviours in small-sided and conditioned games in football. Journal of sports sciences. 2014;32:1888-1896.Edit
Shared knowledge or shared affordances? insights from an ecological dynamics approach to team coordination in sports. Sports Medicine. 2013;43:765-772.Edit
Normal-convex embeddings of inverse semigroups. Glasgow Math. J.. 1993;35:115-121.
A note on Pérez de Moya's Principios de Geometria (1584). Revue d'histoire des mathématiques . 2008;14 ( fascicule 1 ):113-133.Edit
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
Free group languages: rational versus recognizable. Theor. Inform. Appl.. 2004;38:49-67.
[2010-14] Finite idempotent inverse monoid presentations .