Publications
Oriented matroids: an essentially topological algebraic model Univ. Coimbra, Coimbra 1993.Edit
On the adjugate of a matrix. Amer. Math. Monthly. 2007;114:923-924.Edit
Efficiency of an Approximate Nonlinear Filterin for a Particular Class of Nonlinear Diffusion with Observations Corrupted by Small Noise. In: 39th IEEE Conference on Decision and Control.; 2000. 1. p. 1599-1601p. Edit
Applications of $N$-fractional calculus to infinite sums. J. Fract. Calc.. 1995;8:37-42.Edit
mining association rules for label ranking. advances in knowledge discovery and data mining, pt ii: 15th pacific-asia conference, pakdd 2011. 2011;6635:432-443.Edit
Pentagonos, y otras figuras de muchos lados no «Libro de Algebra» de Pedro Nunes. In: 6º Encontro Luso-Brasileiro de História da Matemática. Vol Anais/Actas do 6º Encontro Luso-Brasileiro de História da Matemática. Sociedade Brasileira de História da Matemática ed. Brasil, São João d'El-Rei: Sociedade Brasileira de História da Matemática; 2014. 3. p. 331-350p. Edit
Neuralsyns: A Novel Tool for Simulating Large Neuronal Networks With Complex Architectures. In: Front. Neurosci. Conference Abstract: 11th Meeting of the Portuguese Society for Neuroscience. doi: 10.3389/conf. neuro. Vol 1.; 2009. Edit
On the weight hierarchy of codes coming from semigroups with two generators. IEEE Trans. Inform. Theory. 2014;60:282-295.Edit
On a question of Eliahou and a conjecture of Wilf. Mathematische Zeitschrift. In Press.Edit
numericalsgps, a GAP package for numerical semigroups. ACM Communications in Computer Algebra. 2016;50(1):12-24.Edit
On semigroups whose idempotent-generated subsemigroup is aperiodic. Internat. J. Algebra Comput.. 2004;14:655-665.Edit
[2017-23] Intersection problem for Droms RAAGs .Edit
On the Frobenius number of a proportionally modular Diophantine inequality. Port. Math. (N.S.). 2006;63:415-425.Edit
On iterated Mal'cev products with a pseudovariety of groups. Internat. J. Algebra Comput.. 2011;21:1285-1304.Edit
[2005-44] Solving systems of equations modulo pseudovarieties of abelian groups and hyperdecidability .Edit
Systems of proportionally modular Diophantine inequalities. Semigroup Forum. 2008;76:469-488.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