Publications
] On the non-convolution transformation with the Macdonald type kernel function. Fract. Calc. Appl. Anal.. 1998;1:297-309.Edit
Nonnegative elements of subgroups of $\bf Z^n$. Linear Algebra Appl.. 1998;270:351-357.Edit
On numerical semigroups with high embedding dimension. J. Algebra. 1998;203:567-578.Edit
Preconditioned iterative methods for coupled discretizations of fluid flow problems. IMA Journal of Numerical Analysis. 1998;18:385-397.
On a problem of Brzozowski and Fich. In: Semigroups and applications (St. Andrews, 1997). World Sci. Publ., River Edge, NJ; 1998. 1. p. 1-17p. Edit
Profinite categories and semidirect products. J. Pure Appl. Algebra. 1998;123:1-50.Edit
Risks Associated to the compressive Strength Conformity Criteria Resulting from the Application of the Portuguese Standard NP ENV 206 (1993). In: Proceedings of the European Ready Mixed Concrete Congress - ERMCO 1998. Vol 1.; 1998. 3. p. 304-311p. Edit
Second-order conditions for local controllability. Systems Control Lett.. 1998;35:287-290.
On the stabilization of the inversion of some Kontorovich-Lebedev like integral transforms. Z. Anal. Anwendungen. 1998;17:675-690.Edit
A tail bootstrap procedure for estimating the tail Pareto-index. J. Statist. Plann. Inference. 1998;71:245-260.Edit
Is autonomic control of the heart rate at rest altered by detraining? A study of heart rate variability in professional soccer players. {Revista portuguesa de cardiologia : orgão oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology}. 1997;{16}:{535-541, 508}.Edit
On convolution integrals associated with $H$-transforms. J. Fract. Calc.. 1997;11:53-65.Edit
The disappearance of the limit cycle in a mode interaction problem with $Z_2$ symmetry. Nonlinearity. 1997;10:425-432.
Entropy dimension of dynamical systems. Portugaliae Mathematica. 1997;54(1):19-40.
An extension of the absolute reaction rate theory as applied to physiological rate processes. Ciência e Cultura. 1997;49(3):177-189.Edit
Free profinite $\scr R$-trivial monoids. Internat. J. Algebra Comput.. 1997;7:625-671.Edit
Implicit Hamilton equations. Mat. Contemp.. 1997;12:1-16.
Index integral transformations of Titchmarsh type. J. Comput. Appl. Math.. 1997;85:169-179.
Large measure of hyperbolic dynamics when unfolding heteroclinic cycles. Nonlinearity. 1997;10:857-884.Edit
On the Mehler-Fock transform in $L_p$-space. Math. Nachr.. 1997;185:261-277.Edit
Monoids respecting $n$-chains of intervals. J. Algebra. 1997;187:183-202.Edit
Monte Carlo Simulation of a Drifting Buoy on the Sea Surface Using a 6-Dimensional Model. In: Computational Physics, Chemistry and Biology.; 1997. 4. p. 41-46p. Edit
Non-critical saddle-node cycles and robust non-hyperbolic dynamics. Dynam. Stability Systems. 1997;12:109-135.Edit
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
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