Publications
Extensions and submonoids of automatic monoids. Theoret. Comput. Sci.. 2002;289:727-754.Edit
José Anastácio da Cunha e a Álgebra do seu tempo. CMUM ed. Portugal, Braga: Universidade do Minho. Centro de Matemática (CMAT) 2005.Edit
[2017-28] On finitely generated submonoids of free groups .
On a class of automata groups generalizing lamplighter groups. Internat. J. Algebra Comput.. 2005;15:1213-1234.Edit
On the semilattice of idempotents of a free inverse monoid. Proc. Edinburgh Math. Soc. (2). 1993;36:349-360.
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
Finite idempotent inverse monoid presentations. Internat. J. Algebra Comput.. 2011;21:1111-1133.
[2010-14] Finite idempotent inverse monoid presentations .
Rational subsets of partially reversible monoids. Theoret. Comput. Sci.. 2008;409:537-548.
A geometric characterization of automatic monoids. Q. J. Math.. 2004;55:333-356.Edit
Clifford monoid presentations. Math. Proc. Cambridge Philos. Soc.. 1992;111:445-454.
Fixed points of endomorphisms over special confluent rewriting systems. Monatsh. Math.. 2010;161:417-447.
Luis Inacio Woodhouse (1857-1927). Vol 1. U. Porto Edições ed. 2018.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
A wavelet-based method to measure stock market development. Open Journal of Statistics. 2014;4:86-96.Edit
[2006-1] The Reaction of Stock Markets to Crashes and Events: A Comparison Study between Emerging and Mature .Edit
Backward-stochastic-differential-equation approach to modeling of gene expression. Physical Review E. 2017;95:032418.Edit
The congruence $\eta^*$ on semigroups. Q. J. Math.. 2016;67:405-424.
Roughness in Cayley graphs. Inform. Sci.. 2010;180:3362-3372.Edit
Evidence-based decision about test scoring rules in clinical anatomy multiple-choice examinations. Anatomical Sciences Education. 2014.Edit