Publications
On the weight hierarchy of codes coming from semigroups with two generators. IEEE Trans. Inform. Theory. 2014;60:282-295.Edit
Abelian kernels of monoids of order-preserving maps and of some of its extensions. Semigroup Forum. 2004;68:335-356.Edit
Modular Diophantine inequalities and rotations of numerical semigroups. J. Aust. Math. Soc.. 2008;84:315-328.Edit
On semigroups whose idempotent-generated subsemigroup is aperiodic. Internat. J. Algebra Comput.. 2004;14:655-665.Edit
On a question of Eliahou and a conjecture of Wilf. Mathematische Zeitschrift. In Press.Edit
On iterated Mal'cev products with a pseudovariety of groups. Internat. J. Algebra Comput.. 2011;21:1285-1304.Edit
Solvable monoids with commuting idempotents. Internat. J. Algebra Comput.. 2005;15:547-570.Edit
$\ssfnumericalsgps$, a $\ssfGAP$ package for numerical semigroups. ACM Commun. Comput. Algebra. 2016;50:12-24.Edit
On the generalized Feng-Rao numbers of numerical semigroups generated by intervals. Math. Comp.. 2013;82:1813-1836.Edit
On the GAP package \it numericalsgps. In: Fifth Conference on Discrete Mathematics and Computer Science (Spanish). Vol 23. Univ. Valladolid, Secr. Publ. Intercamb. Ed., Valladolid; 2006. 2. p. 271-278p. (Ciencias (Valladolid); vol 23).Edit
[2005-44] Solving systems of equations modulo pseudovarieties of abelian groups and hyperdecidability .Edit
On the Frobenius number of a proportionally modular Diophantine inequality. Port. Math. (N.S.). 2006;63:415-425.Edit
Numerical semigroups with a given set of pseudo-Frobenius numbers. LMS Journal of Computation and Mathematics. 2016;19(1):186-205.Edit
Rees quotients of numerical semigroups. Port. Math.. 2013;70:93-112.Edit
A polynomial time algorithm to compute the abelian kernel of a finite monoid. Semigroup Forum. 2003;67:97-110.Edit
Systems of proportionally modular Diophantine inequalities. Semigroup Forum. 2008;76:469-488.Edit
numericalsgps, a GAP package for numerical semigroups. ACM Communications in Computer Algebra. 2016;50(1):12-24.Edit