Publications
Normal forms for locally exact Poisson structures in R^3. Journal of Geometry and Physics. 2002;43(1):27-32.Edit
Normal forms for two classes of exact Poisson structures in dimension four. Journal of the London Mathematical Society. 2006;73(01):194-208.Edit
Linearity of the transverse Poisson structure to a coadjoint orbit. Lett. Math. Phys.. 2003;65:213-227.Edit
Dynamics of the Birational Maps Arising from F0 and DP3 Quivers. Journal of Mathematical Analysis and Applications. 2015;431(2):903-918.Edit
On sufficient and necessary conditions for linearity of the transverse Poisson structure. Journal of Geometry and Physics. 2010;60(3):543-551.Edit
A family of degenerate Lie algebras. J. Geom. Phys.. 1999;31:51-63.Edit
Degeneracy of some Lie algebras Univ. Coimbra, Coimbra 1999.Edit
Burnout Syndrome and Coping Strategies in Portuguese Oncology Health Care Providers. Archives of Clinical Psychiatry. 2017;44(5):122-6.Edit
[2010-31] Error Bounds and Discretization Grids in the Solution of Weakly Singular Integral Equations .Edit
Convergence of Multipower Defect-Correction for spectral computations of integral operators. Applied Mathematics and Computation. 2012;219:1601-1606.
Is the iterative refinement of eigenelements an expensive technique?. In: Proceedings of the 2nd international conference on computational and applied mathematics (Leuven, 1986). Vol 20.; 1987. 1. p. 159-166p.
A numerical study of iterative refinement schemes for weakly singular integral equations. Applied Mathematics Letters. 2005;18:571-576.Edit
The least squares problems and orthogonal polynomials. In: Orthogonal polynomials and their applications (Erice, 1990). Vol 9. Baltzer, Basel; 1991. 2. p. 217-222p. (IMACS Ann. Comput. Appl. Math.; vol 9).Edit
Preconditioners for nonsymmetric linear systems in domain decomposition applied to a coupled discretization of Navier-Stokes equations. In: Palma JMLM, Dongarra J, editors. Vector and Parallel Processing –- VECPAR'96: Second International Conference on Vector and Parallel Processing –- Systems and Application Porto, Portugal, September 25–27, 1996 Selected Papers. Vol 1215. Springer Berlin Heidelberg; 1997. 2. p. 295-312p. (Lecture Notes in Computer Science; vol 1215).Edit
A Parallel Implementation of the Atkinson Algorithm for Solving a Fredholm Equation. In: Palma JMLM, A. Sousa A, Dongarra J, Hernández V, editors. High Performance Computing for Computational Science –- VECPAR 2002: 5th International Conference Porto, Portugal, June 26–28, 2002 Selected Papers and Invited Talks. Vol 2565. Springer Berlin Heidelberg; 2003. 3. p. 368-376p. (Lecture Notes in Computer Science; vol 2565).Edit
[2010-33] Convergence of Multipower Defect Correction for Spectral Computations of Integral Operators .
Parallelization of an implicit algorithm for fluid flow problems. In: Topping B.HV, editor. Parallel and Distributed Processing for Computational Mechanics: Systems and Tools. Saxe-Coburg Publications, Stirlingshire, UK; 1999. 3. p. 300-314p. Edit
A geometric approach to (semi)-groups defined by automata via dual transducers. Geometriae Dedicata. In Press.Edit
Groups and Semigroups Defined by Colorings of Synchronizing Automata. International Journal of Algebra and Computation. In Press.Edit
Limit distribution for the weighted rank correlation coefficient, $r_W$. REVSTAT. 2006;4:189-200.Edit
a weighted principal component analysis and its application to gene expression data. ieee-acm transactions on computational biology and bioinformatics. 2011;8:246-252.Edit
an all-at-once unimodal svm approach for ordinal classification. proceedings - 9th international conference on machine learning and applications, icmla 2010. 2010:59-64.Edit
the unimodal model for the classification of ordinal data. neural networks. 2008;21:78-91.Edit