Publications
A polynomial time algorithm to compute the abelian kernel of a finite monoid. Semigroup Forum. 2003;67:97-110.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
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
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 weight hierarchy of codes coming from semigroups with two generators. IEEE Trans. Inform. Theory. 2014;60:282-295.Edit
Hopf bifurcation with S3-symmetry. Portugalia Mathematica. 2006;63(2):127-155.Edit
Secondary bifurcations in systems with All-to-All coupling. Proceedings of the Royal Society of London Ser. A . 2003;459:1-18.Edit
Memristive-Based Neuromorphic Applications and Associative Memories. In: Advances in Memristors, Memristive Devices and Systems. Springer International Publishing; 2017. 3. p. 305-342p. Edit
Spectrum of the elimination of loops and multiple arrows in coupled cell systems. Nonlinearity. 2012;25:3139-3154.Edit
Memristor-based Willshaw network: Capacity and robustness to noise in the presence of defects. Applied Physics Letters. 2015;106:223505.Edit
Symmetry-breaking Bifurcations of Wreath Product Systems. Journal of Nonlinear Science . 1999;9:671-695.Edit
Heteroclinic Cycles and Wreath Product Symmetries. Dynamics and Stability of Sytems. 2000;15:353-385.Edit
Bipolar resistive switching in Si/Ag nanostructures. Applied Surface Science. 2017.Edit
A note on Hopf bifurcation with dihedral group symmetry. Glasgow Mathematical Journal. 2006;48(1):41-51.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
Spectrum of the elimination of loops and multiple arrows in coupled cell networks. Nonlinearity. 2012;25:3139-3154.Edit
Tuberculosis Among the Homeless: Should We Change the Strategy? International Journal of Tuberculosis and Lung Disease. 2017;21(3):327-332.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