Publications
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. In Press.Edit
Numerical semigroups with a given set of pseudo-Frobenius numbers. LMS Journal of Computation and Mathematics. 2016;19(1):186-205.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
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
[2005-44] Solving systems of equations modulo pseudovarieties of abelian groups and hyperdecidability .Edit
On the generalized Feng-Rao numbers of numerical semigroups generated by intervals. Math. Comp.. 2013;82:1813-1836.Edit
Solvable monoids with commuting idempotents. Internat. J. Algebra Comput.. 2005;15:547-570.Edit
The concept of Metal-Insulator-Metal nanostructures as Adaptive Neural Networks. U. Porto Journal of Engineering. 2017;3:1-10.Edit
Hopf Bifurcation with D_n-symmetry. Glasgow Mathematical Journal. 2006;48:41-51.
Secondary bifurcations in systems with All-to-All coupling. Proceedings of the Royal Society of London Ser. A . 2003;459:1-18.Edit
Tuberculosis Among the Homeless: Should We Change the Strategy? International Journal of Tuberculosis and Lung Disease. 2017;21(3):327-332.Edit
Spectrum of the elimination of loops and multiple arrows in coupled cell networks. Nonlinearity. 2012;25:3139-3154.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
Hopf bifurcation with S3-symmetry. Portugalia Mathematica. 2006;63(2):127-155.Edit
Memristor-based Willshaw network: Capacity and robustness to noise in the presence of defects. Applied Physics Letters. 2015;106:223505.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
A note on Hopf bifurcation with dihedral group symmetry. Glasgow Mathematical Journal. 2006;48(1):41-51.Edit