Publications
Found 516 results
Author Title Type [ Year] Filters: First Letter Of Last Name is M [Clear All Filters]
Frobenius-Padé approximants for d-orthogonal series: Theory and computational aspects. Applied Numerical Mathematics. 2004;52:89-112.Edit
Fundamental gaps in numerical semigroups. J. Pure Appl. Algebra. 2004;189:301-313.Edit
Fundamental gaps in numerical semigroups with respect to their multiplicity. Acta Math. Sin. (Engl. Ser.). 2004;20:629-646.Edit
José Morgado: in memoriam. Bol. Soc. Port. Mat.. 2004:1-18.Edit
New implementation of the Tau method for PDEs. Journal of Computational and Applied Mathematics. 2004;164(1):555-567.Edit
New implementation of the tau method for PDEs. In: Proceedings of the 10th International Congress on Computational and Applied Mathematics (ICCAM-2002). Vol 164/165.; 2004. 5. p. 555-567p. Edit
Quantification of the QT variability related to HRV: Robustness study facing automatic delineation and noise on the ECG. In: {31st Annual Scientific Meeting on Computers in Cardiology}. Vol {31}. {IEEE}; 2004. {. {p. 769-772p. }.Edit
On semigroups whose idempotent-generated subsemigroup is aperiodic. Internat. J. Algebra Comput.. 2004;14:655-665.Edit
A wavelet-based ECG delineator: Evaluation on standard databases. {IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING}. 2004;{51}:{570-581}.Edit
On Fine and Wilf's theorem for bidimensional words. Theoret. Comput. Sci.. 2003;292:245-262.Edit
The oversemigroups of a numerical semigroup. Semigroup Forum. 2003;67:145-158.Edit
A parametric model approach for quantification of short term QT variability uncorrelated with heart rate variability. In: Murray A, editor. {30th Annual Meeting on Computers in Cardiology}. Vol {30}. {IEEE}; 2003. {. {p. 165-168p. }.Edit
A parametric model approach for quantification of short term QT variability uncorrelated with heart rate variability. In: Murray A, editor. {30th Annual Meeting on Computers in Cardiology}. Vol {30}. {IEEE}; 2003. {. {p. 165-168p. }.Edit
Singularities of the Hamiltonian Vectorfield in Nonautonomous Variational Problems. Journal of Mathematical Analysis and Applications. 2003;283(2):610-632.
Normal forms for locally exact Poisson structures in R^3. Journal of Geometry and Physics. 2002;43(1):27-32.Edit
A methodology for modelling and prediction of coastal cliffs recession. In: Coastal Dynamics´01 .; 2001. 9. p. 969-978p. Edit
A new characterization of classical forms. Communications in Applied Analysis. 2001;5(3):351-362.Edit
Short-waves instabilities in the Benjamin-Bona-Mahoney-Perigrine equation: theory and numerics. Inverse Problems. 2001;17(4):864-870.Edit
Singularities of the Hamiltonian Vectorfield in Optimal Control Problems. Journal of Mathematical Analysis and Applications. 2001;254(1):53-70.
Down-up algebras and their representation theory. J. Algebra. 2000;228:286-310.Edit
Galois representations and Hilbert's Theorem 90. In: Matrices and group representations (Coimbra, 1998). Vol 19. Univ. Coimbra, Coimbra; 1999. 1. p. 119-123p. (Textos Mat. Sér. B; vol 19).
Numerical solution of partial differential equations with the tau method. In: First Meeting on Numerical Methods for Partial Differential Equations (Coimbra, 1995). Vol 11. Univ. Coimbra, Coimbra; 1997. 1. p. 111-121p. (Textos Mat. Sér. B; vol 11).Edit
Complexification of gauge theories. J. Geom. Phys.. 1996;18:1-24.Edit