Publications
Free group languages: rational versus recognizable. Theor. Inform. Appl.. 2004;38:49-67.
The algebraic content of Bento Fernandes’s Tratado da arte de arismetica (1555). Historia Mathematica . 2008;35 :190-219.Edit
Extensions and submonoids of automatic monoids. Theoret. Comput. Sci.. 2002;289:727-754.Edit
a partitional clustering algorithm validated by a clustering tendency index based on graph theory. pattern recognition. 2006;39:776-788.Edit
On the semilattice of idempotents of a free inverse monoid. Proc. Edinburgh Math. Soc. (2). 1993;36:349-360.
On a class of automata groups generalizing lamplighter groups. Internat. J. Algebra Comput.. 2005;15:1213-1234.Edit
Finite idempotent inverse monoid presentations. Internat. J. Algebra Comput.. 2011;21:1111-1133.
[2015-25] On the circulation of algebraic knowledge in the Iberian península: the sources of Pérez de Moya's Tratado de Arithmetica (1573) .Edit
Groups and automata: a perfect match. J. Automata Lang. Combin.. 2012;17(2-4):277-292.
Howson’s property for semidirect products of semilattices by groups. Comm. Algebra. 2016;44(6):2482-2494.Edit
[2017-28] On finitely generated submonoids of free groups .
Rational subsets of partially reversible monoids. Theoret. Comput. Sci.. 2008;409:537-548.
Clifford monoid presentations. Math. Proc. Cambridge Philos. Soc.. 1992;111:445-454.
[2010-14] Finite idempotent inverse monoid presentations .
A note on Pérez de Moya's Principios de Geometria (1584). Revue d'histoire des mathématiques . 2008;14 ( fascicule 1 ):113-133.Edit
A geometric characterization of automatic monoids. Q. J. Math.. 2004;55:333-356.Edit
Heart Rate Variability in Children Submitted to Surgery. Journal of Anesthesia & Clinical Research. 2016;7.Edit
Fixed points of endomorphisms over special confluent rewriting systems. Monatsh. Math.. 2010;161:417-447.