Publications
Every numerical semigroup is one half of a symmetric numerical semigroup. Proc. Amer. Math. Soc.. 2008;136:475-477 (electronic).Edit
Pseudo-symmetric numerical semigroups with three generators. J. Algebra. 2005;291:46-54.Edit
On the structure of Cohen-Macaulay simplicial affine semigroups. Comm. Algebra. 1999;27:511-518.Edit
Every positive integer is the Frobenius number of a numerical semigroup with three generators. Math. Scand.. 2004;94:5-12.Edit
«PENTAGONOS, Y OTRAS FIGURAS DE MUCHOS LADOS» NO LIBRO DE ALGEBRA DE PEDRO NUNES. Vol Anais/Actas do 6º Encontro Luso-Brasileiro de História da Matemática. Brasil, S. João del Rey: Sérgio Nobre, Fábio Bertato, Luis Saraiva; 2014. 3. p. 331-350p. Edit
On the theory of convolution integrals for $G$-transforms. Fukuoka Univ. Sci. Rep.. 1991;21:181-193.Edit
On Leibniz rules involving generalized fractional calculus operators. Fukuoka Univ. Sci. Rep.. 1996;26:63-78.Edit
An overview of the computational aspects of nonunique factorization invariants. In: Multiplicative ideal theory and factorization theory. Vol 170. Springer, [Cham]; 2016. 1. p. 159-181p. (Springer Proc. Math. Stat.; vol 170).Edit
Stokes drift for inertial particles transported by water waves. Europhysics Letters. 2013;102(1):14003: 1-5.Edit
Two-dimensional simulation of the Navier-Stokes equations for laminar and turbulent flow around a heated square cylinder with forced convection. Applied Mathematics. 2018;9(291-312).Edit
An Innovative Degree in Mathematical Engineering in the Portuguese Education System: Submission Process and Evaluation. In: 1st International Conference of the Portuguese Society for Engineering Education – CISPEE. Vol Proceedings of the 1st International Conference of the Portuguese Society for Engineering Education – CISPEE. Porto, Portugal: IEEE; 2013. 1. p. 1-10p. Edit
Evidence-Based Decision About Test Scoring Rules in Clinical Anatomy Multiple-Choice Examinations. Anatomical Sciences Education. 2015;8(3).Edit
Avaliação temporal do conhecimento matemático dos alunos da FCUP à entrada do ensino superior - Boletim da Sociedade Portuguesa de Estatística 2016.Edit
Assessment of the general public's knowledge about rheumatic diseases: Evidence from a Portuguese population-based survey. BMC Musculoskeletal Disorders. 2010;11.Edit
Indirect calibration between clinical observers - Application to the New York Heart Association functional classification system. BMC Research Notes. 2011;4.Edit
Evidence-based decision about test scoring rules in clinical anatomy multiple-choice examinations. Anatomical Sciences Education. 2014.Edit
Roughness in Cayley graphs. Inform. Sci.. 2010;180:3362-3372.Edit
The congruence $\eta^*$ on semigroups. Q. J. Math.. 2016;67:405-424.
Backward-stochastic-differential-equation approach to modeling of gene expression. Physical Review E. 2017;95:032418.Edit
[2006-1] The Reaction of Stock Markets to Crashes and Events: A Comparison Study between Emerging and Mature .Edit
A wavelet-based method to measure stock market development. Open Journal of Statistics. 2014;4:86-96.Edit