Publications
Spectrum of the elimination of loops and multiple arrows in coupled cell networks. Nonlinearity. 2012;25:3139-3154.Edit
Secondary Bifurcations in Systems with All-to-All Coupling. Part II. Dynamical Systems. 2006;21:439-463.Edit
Hopf bifurcation for wreath products. Nonlinearity. 1998;11:247-264.Edit
Bipolar resistive switching in Si/Ag nanostructures. Applied Surface Science. 2017.Edit
Hopf bifurcation in coupled cell networks with abelian symmetry. Vol Boletim especial da Sociedade Portuguesa de Matemática. Sociedade Portuguesa de Matemática ed. 2011.Edit
On the enumeration of periodic patterns of synchrony via finite bidirectional networks. Proceedings A of the Royal Society of London. 2010;466:891-910.Edit
Tuberculosis Among the Homeless: Should We Change the Strategy? International Journal of Tuberculosis and Lung Disease. 2017;21(3):327-332.Edit
A polynomial time algorithm to compute the abelian kernel of a finite monoid. Semigroup Forum. 2003;67:97-110.Edit
$\ssfnumericalsgps$, a $\ssfGAP$ package for numerical semigroups. ACM Commun. Comput. Algebra. 2016;50:12-24.Edit
Rees quotients of numerical semigroups. Port. Math.. 2013;70:93-112.Edit
Abelian kernels of monoids of order-preserving maps and of some of its extensions. Semigroup Forum. 2004;68:335-356.Edit
Numerical semigroups with a given set of pseudo-Frobenius numbers. LMS Journal of Computation and Mathematics. 2016;19(1):186-205.Edit
On a question of Eliahou and a conjecture of Wilf. Mathematische Zeitschrift. 2018;288:595-627.Edit
On the weight hierarchy of codes coming from semigroups with two generators. IEEE Trans. Inform. Theory. 2014;60:282-295.Edit
On semigroups whose idempotent-generated subsemigroup is aperiodic. Internat. J. Algebra Comput.. 2004;14:655-665.Edit
numericalsgps, a GAP package for numerical semigroups. ACM Communications in Computer Algebra. 2016;50(1):12-24.Edit
On a question of Eliahou and a conjecture of Wilf. Mathematische Zeitschrift. In Press.Edit
On the Frobenius number of a proportionally modular Diophantine inequality. Port. Math. (N.S.). 2006;63:415-425.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
On iterated Mal'cev products with a pseudovariety of groups. Internat. J. Algebra Comput.. 2011;21:1285-1304.Edit
[2017-23] Intersection problem for Droms RAAGs .Edit