Publications
[2012-16] Groups and automata: a perfect match .
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.
A note on Pérez de Moya's Principios de Geometria (1584). Revue d'histoire des mathématiques . 2008;14 ( fascicule 1 ):113-133.Edit
José Anastácio da Cunha e a Álgebra do seu tempo. CMUM ed. Portugal, Braga: Universidade do Minho. Centro de Matemática (CMAT) 2005.Edit
Dicionário de Matemática Elementar, de Stella Baruk. Vol 2 Edições Afrontamento 2005.Edit
Finite automata for Schreier graphs of virtually free groups. J. Group Theory. 2016;19:25-54.Edit
On free inverse monoid languages. RAIRO Inform. Théor. Appl.. 1996;30:349-378.
On an algorithm to decide whether a free group is a free factor of another. Theor. Inform. Appl.. 2008;42:395-414.Edit
Numerical relations and skill level constrain co-adaptive behaviors of agents in sports teams. PloS one. 2014;9:e107112.Edit
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
Normal-convex embeddings of inverse semigroups. Glasgow Math. J.. 1993;35:115-121.
The algebraic content of Bento Fernandes’s Tratado da arte de arismetica (1555). Historia Mathematica . 2008;35 :190-219.Edit
Free group languages: rational versus recognizable. Theor. Inform. Appl.. 2004;38:49-67.
Extensions and submonoids of automatic monoids. Theoret. Comput. Sci.. 2002;289:727-754.Edit
Contribuição para o estudo do manuscrito Arte de Marear de Juan Pérez de Moya. LLULL. 2012;35(76):351-379.Edit
On a class of automata groups generalizing lamplighter groups. Internat. J. Algebra Comput.. 2005;15:1213-1234.Edit