Publications
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
$\ssfnumericalsgps$, a $\ssfGAP$ package for numerical semigroups. ACM Commun. Comput. Algebra. 2016;50:12-24.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
On a question of Eliahou and a conjecture of Wilf. Mathematische Zeitschrift. 2018;288:595-627.Edit
On the Frobenius number of a proportionally modular Diophantine inequality. Port. Math. (N.S.). 2006;63:415-425.Edit
Hopf Bifurcation with D_n-symmetry. Glasgow Mathematical Journal. 2006;48:41-51.
The concept of Metal-Insulator-Metal nanostructures as Adaptive Neural Networks. U. Porto Journal of Engineering. 2017;3:1-10.Edit
Gibbs-Markov-Young structures. In: ESAIM. Vol 36.; 2012. 6. p. 61-67p. 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
Symmetry-breaking Bifurcations of Wreath Product Systems. Journal of Nonlinear Science . 1999;9:671-695.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
Memristor-based Willshaw network: Capacity and robustness to noise in the presence of defects. Applied Physics Letters. 2015;106:223505.Edit
Spectrum of the elimination of loops and multiple arrows in coupled cell networks. Nonlinearity. 2012;25:3139-3154.Edit
A note on Hopf bifurcation with dihedral group symmetry. Glasgow Mathematical Journal. 2006;48(1):41-51.Edit
Heteroclinic Cycles and Wreath Product Symmetries. Dynamics and Stability of Sytems. 2000;15:353-385.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