Publications
Automatic multilead VCG based approach for QT interval measurement. In: {Computers in Cardiology}. Vol {33}.; 2006. {. {p. 369-372p. }.Edit
Globals of pseudovarieties of commutative semigroups: the finite basis problem, decidability and gaps. Proc. Edinb. Math. Soc. (2). 2001;44:27-47.Edit
Semisimple Synchronizing Automata and the Wedderburn-Artin Theory. In: Development in Language Theory, DLT 2014. Vol LNCS, 8633.; 2014. 4. p. 49-60p. Edit
An elementary proof that finite groups are projectively torsion-free. Portugal. Math.. 1990;47:437-444.Edit
Description and analysis of a bottom-up DFA minimization algorithm. Inform. Process. Lett.. 2008;107:52-59.Edit
Power pseudovarieties of semigroups. I, II. Semigroup Forum. 1986;33:357-373, 375-390.Edit
On Decidability of Intermediate Levels of Concatenation Hierarchies. In: 19th International Conference Developments in Language Theory (DLT 2015). Vol Developments in Language Theory, LNCS 9168. UK, Liverpool: Springer; 2015. 5. p. 58-70p. Edit
Power exponents of aperiodic pseudovarieties. Semigroup Forum. 1999;59:18-32.Edit
Free profinite $\scr R$-trivial monoids. Internat. J. Algebra Comput.. 1997;7:625-671.Edit
On pseudovarieties of monoids. In: Semigroups, theory and applications (Oberwolfach, 1986). Vol 1320. Springer, Berlin; 1988. 1. p. 11-17p. (Lecture Notes in Math.; vol 1320).Edit
The pseudovariety of semigroups of triangular matrices over a finite field. Theor. Inform. Appl.. 2005;39:31-48.Edit
[2008-21] Rational Codes and Free Profinite Monoids .Edit
[2017-1] The linear nature of pseudowords .Edit
Implicit operations and Knast's theorem. In: Semigroups (Luino, 1992). World Sci. Publ., River Edge, NJ; 1993. 1. p. 1-16p. Edit
Closures of regular languages for profinite topologies. Semigroup Forum. 2014;89:20-40.Edit
Finite semigroups: an introduction to a unified theory of pseudovarieties. In: Semigroups, algorithms, automata and languages (Coimbra, 2001). World Sci. Publ., River Edge, NJ; 2002. 3. p. 3-64p. 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
On iterated semidirect products of finite semilattices. J. Algebra. 1991;142:239-254.Edit
Complete kappa-reducibility of pseudovarieties of the form DRH. International Journal of Algebra and Computation. 2017;27(02):189-236.Edit
Rational codes and free profinite monoids. J. Lond. Math. Soc. (2). 2009;79:465-477.Edit
Tameness of pseudovarieties of semigroups. S\=urikaisekikenky\=usho Kōky\=uroku. 2000:8-16.Edit