Publications
On the hyperdecidability of semidirect products of pseudovarieties. Comm. Algebra. 1998;26:4065-4077.Edit
Implicit operations on certain classes of semigroups. In: Semigroups and their applications (Chico, Calif., 1986). Reidel, Dordrecht; 1987. 1. p. 1-11p. Edit
José Morgado: in memoriam. Bol. Soc. Port. Mat.. 2004:1-18.Edit
Free profinite semigroups over semidirect products. Izv. Vyssh. Uchebn. Zaved. Mat.. 1995:3-31.Edit
A wavelet-based method for assessing fetal cardiac rhythms from abdominal ECGs. In: Computing in Cardiology. Vol 40.; 2013. 2. p. 289-292p. Edit
On the power semigroup of a finite semigroup. Portugal. Math.. 1992;49:295-331.Edit
New decidable upper bound of the second level in the Straubing-Thérien concatenation hierarchy of star-free languages. Discrete Math. Theor. Comput. Sci.. 2010;12:41-58.Edit
Sur certains systèmes d'équations avec contraintes dans un groupe libre–-addenda. Port. Math. (N.S.). 2001;58:379-387.Edit
Hedonic and descriptive skinfeel analysis of two oleogels: Comparison with other topical formulations. Journal of Sensory Studies. 2008;23:92-113.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
Decidability and tameness in the theory of finite semigroups. Bull. Iranian Math. Soc.. 2008;34:1-22.Edit
[2009-39] New decidable upper bound of the second level in the Straubing-Thérien concatenation hierarchy .Edit
On the decidability of iterated semidirect products with applications to complexity. Proc. London Math. Soc. (3). 2000;80:50-74.Edit
Errors and grids for projected weakly singular integral equations. International Journal of Pure and Applied Mathematics . 2013;89:203-213.Edit
Exploring QT variability dependence from heart rate in coma and brain death on pediatric patients. In: Computing in Cardiology Conference (CinC), 2013.; 2013. 6. p. 61-64p. Edit
On power varieties of semigroups. J. Algebra. 1989;120:1-17.Edit
Tameness of pseudovariety joins involving R. Monatsh. Math.. 2005;146:89-111.Edit