Publications
Connection coefficients for orthogonal polynomials: symbolic computations, verifications and demonstrations in the Mathematica language, Numerical Algorithms, 63-3 (2013) 507-520. . Numerical Algorithms. 2013;63(3):507-520.Edit
Connection coefficients between orthogonal polynomials and the canonical sequence: an approach based on symbolic computation. Numerical Algorithms. 2008;47(3):291-314.Edit
Combinatória de sons 2008.Edit
Convolutions of the generalized fractional integration operator. In: Complex analysis and generalized functions (Varna, 1991). Publ. House Bulgar. Acad. Sci., Sofia; 1993. 1. p. 199-211p. Edit
Central factorials under the Kontorovich-Lebedev transform of polynomials. Integral Transforms Spec. Funct.. 2013;24:217-238.
A counterexample for a problem on quasi Baer modules. Taiwanese Journal of Mathematics. 2017;21(6):1277-1281.
[2006-32] Chain and Distributive Coalgebras .Edit
A central closure construction for certain algebra extensions. Applications to Hopf actions. J. Pure Appl. Algebra. 2005;198:297-316.Edit
Chain and distributive coalgebras. J. Pure Appl. Algebra. 2007;211:581-595.Edit
[2006-26] Covering coalgebras and dual non-singularity .Edit
Covering coalgebras and dual non-singularity. Appl. Categ. Structures. 2008;16:195-211.Edit
Complexification of gauge theories. J. Geom. Phys.. 1996;18:1-24.Edit
The core-periphery model with asymmetric inter-regional and intra-regional trade costs . Portuguese Economic Journal. 2009:37-44.Edit
Classification of factorial generalized down-up algebras. J. Algebra. 2013;396:184-206.Edit
COVARIANCE DENSITY-ESTIMATION FOR AUTOREGRESSIVE SPECTRAL MODELING OF POINT-PROCESSES. {BIOLOGICAL CYBERNETICS}. 1989;{61}:{195-203}.Edit
Confirming the diagnosis of tuberculosis in children in Northern Portugal. International Journal of Tuberculosis and Lung Disease. 2014;18:531-533+i.Edit
Computing maximal error-detecting capabilities and distances of regular languages. Fund. Inform.. 2010;101:257-270.Edit
Chebyshev polynomials over finite fields and reversibility of σ-automata on square grids. Theoret. Comput. Sci.. 2004;320:465-483.Edit
Comunicação na sala de aula: A perspetiva do ensino exploratório de matemática. Zetetiké. 2015;23(44):279-295.Edit