Publications
A note on Hopf bifurcation with dihedral group symmetry. Glasgow Mathematical Journal. 2006;48(1):41-51.Edit
The concept of Metal-Insulator-Metal nanostructures as Adaptive Neural Networks. U. Porto Journal of Engineering. 2017;3:1-10.Edit
Heteroclinic Cycles and Wreath Product Symmetries. Dynamics and Stability of Sytems. 2000;15:353-385.Edit
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
Gibbs-Markov-Young structures. In: ESAIM. Vol 36.; 2012. 6. p. 61-67p. Edit
Hopf bifurcation for wreath products. Nonlinearity. 1998;11:247-264.Edit
Solvable monoids with commuting idempotents. Internat. J. Algebra Comput.. 2005;15:547-570.Edit
[2017-23] Intersection problem for Droms RAAGs .Edit
Modular Diophantine inequalities and rotations of numerical semigroups. J. Aust. Math. Soc.. 2008;84:315-328.Edit
A polynomial time algorithm to compute the abelian kernel of a finite monoid. Semigroup Forum. 2003;67:97-110.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
On the weight hierarchy of codes coming from semigroups with two generators. IEEE Trans. Inform. Theory. 2014;60:282-295.Edit
$\ssfnumericalsgps$, a $\ssfGAP$ package for numerical semigroups. ACM Commun. Comput. Algebra. 2016;50:12-24.Edit
On semigroups whose idempotent-generated subsemigroup is aperiodic. Internat. J. Algebra Comput.. 2004;14:655-665.Edit
On the Frobenius number of a proportionally modular Diophantine inequality. Port. Math. (N.S.). 2006;63:415-425.Edit
On a question of Eliahou and a conjecture of Wilf. Mathematische Zeitschrift. 2018;288:595-627.Edit
Numerical semigroups with a given set of pseudo-Frobenius numbers. LMS Journal of Computation and Mathematics. 2016;19(1):186-205.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