Publications
Some algorithmic problems for pseudovarieties. Publ. Math. Debrecen. 1999;54:531-552.Edit
Automatic multilead VCG based approach for QT interval measurement. In: {Computers in Cardiology}. Vol {33}.; 2006. {. {p. 369-372p. }.Edit
Semigrupos finitos e álgebra universal Universidade de São Paulo, Instituto de Matemática e Estatí stica, São Paulo 1991.Edit
Semisimple synchronizing automata and the Wedderburn-Artin theory. Internat. J. Foundat. Comput. Sci.. 2016;27(2):127-145.Edit
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
Complete reducibility of pseudovarieties. In: Semigroups and formal languages. World Sci. Publ., Hackensack, NJ; 2007. 9. p. 9-25p. Edit
Minimal nonpermutative pseudovarieties of semigroups. III. Algebra Universalis. 1985;21:256-279.Edit
Relatively free profinite monoids: an introduction and examples. In: Semigroups, formal languages and groups (York, 1993). Vol 466. Kluwer Acad. Publ., Dordrecht; 1995. 7. p. 73-117p. (NATO Adv. Sci. Inst. Ser. C Math. Phys. Sci.; vol 466).Edit
The pro-nilpotent group topology on a free group. Journal of Algebra. 2017;480:332-345.Edit
Residually finite congruences and quasiregular subsets in uniform algebras. In: Proceedings of the Second Meeting of Portuguese Algebraists (Portuguese) (Porto, 1987). Univ. Porto, Porto; 1987. 1. p. 11-31p. Edit
The globals of some subpseudovarieties of DA. Internat. J. Algebra Comput.. 2004;14:525-549.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
A wavelet-based method for assessing fetal cardiac rhythms from abdominal ECGs. In: Computing in Cardiology Conference (CinC), 2013. Spain, Zaragoza: IEEE; 2013. 2. p. 289-292p. Edit
A unified syntactical approach to theorems of Putcha, Margolis, and Straubing on finite power semigroups. Semigroup Forum. 1993;46:90-97.Edit
Characterization of group radicals with an application to Mal\cprime cev products. Illinois J. Math.. 2010;54:199-221.Edit
On the hyperdecidability of semidirect products of pseudovarieties. Comm. Algebra. 1998;26:4065-4077.Edit
Dynamics of implicit operations and tameness of pseudovarieties of groups. Trans. Amer. Math. Soc.. 2002;354:387-411 (electronic).Edit
[2006-19] Complete reducibility of pseudovarieties .Edit
Projection methods based on grids for weakly singular integral equations. Applied Numerical Mathematics. 2017;Volume 114:47-54.Edit
On finitely based pseudovarieties of the form $\bf V\ast\bf D$ and $\bf V\ast\bf D_n$. J. Pure Appl. Algebra. 2000;146:1-15.Edit
Equidivisible pseudovarieties of semigroups. Publicationes Mathematicae. 2017;90(3-4):435-453.Edit
On the membership problem for pseudovarieties of commutative semigroups. Semigroup Forum. 1991;42:47-51.Edit
Complexity of the identity checking problem for finite semigroups. Zap. Nauchn. Sem. S.-Peterburg. Otdel. Mat. Inst. Steklov. (POMI). 2008;358:5-22, 301.Edit