Publications
Equivalence of gradient systems. Portugal. Math.. 1981;40:263-277 (1985).
Equations for pseudovarieties. In: Formal properties of finite automata and applications (Ramatuelle, 1988). Vol 386. Springer, Berlin; 1989. 1. p. 148-164p. (Lecture Notes in Comput. Sci.; vol 386).Edit
An elementary proof that finite groups are projectively torsion-free. Portugal. Math.. 1990;47:437-444.Edit
The equation $\bf PX=\bf PJ$. In: Proceedings of the International Symposium on the Semigroup Theory and its Related Fields (Kyoto, 1990). Shimane Univ., Matsue; 1990. 1. p. 1-11p. Edit
Eddy viscisity of three dimensional flow. Journal of Fluid Mechanics. 1995;288:249-264.Edit
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
Efficiency of an Approximate Nonlinear Filterin for a Particular Class of Nonlinear Diffusion with Observations Corrupted by Small Noise. In: 39th IEEE Conference on Decision and Control.; 2000. 1. p. 1599-1601p. Edit
Estimação de estado em modelos lineares por intervalos em tempo discreto: comparação numérica de dois procedimentos 2000.Edit
Existence of a Markov perfect equilibrium in a third market model . ECONOMICS LETTERS. 2000;66:297-301.Edit
Equações no «Libro de Algebra» de Pedro Nunes. Vol 68 APM 2002.Edit
On the equation $\bf V\ast\bf G=\scr E\,\bf V$. J. Pure Appl. Algebra. 2002;166:1-28.Edit
Extensions and submonoids of automatic monoids. Theoret. Comput. Sci.. 2002;289:727-754.Edit
An econophysics approach to the Portuguese Stock Index – PSI-20. Physica A. 2004;342:665-676.Edit
The equational theory of ω-terms for finite $\scr R$-trivial semigroups. In: Semigroups and languages. World Sci. Publ., River Edge, NJ; 2004. 1. p. 1-22p. Edit
Every positive integer is the Frobenius number of a numerical semigroup with three generators. Math. Scand.. 2004;94:5-12.Edit
[2005-22] Equivalence and semi-completude of foliations .