Publications
Some algorithmic problems for pseudovarieties. Publ. Math. Debrecen. 1999;54:531-552.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
Improved QT variability quantification by multilead automatic delineation. In: {32nd Annual Conference on Computers in Cardiology}. Vol {32}. {IEEE}; 2005. {. {p. 503-506p. }.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
Hedonic and descriptive skinfeel analysis of two oleogels: Comparison with other topical formulations. Journal of Sensory Studies. 2008;23:92-113.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
Iterated Kantorovich versus Kulkarni method for Fredholm integral equations. Vol Integral Methods in Science and Engineering. Vol. 2: Practical Applications Italy, Padova: Birkhäuser Basel 2017.Edit
A sequence of weakly monotonic automata with increasing level. Int. J. Algebra. 2013;7:91-100.Edit
Minimal nonpermutative pseudovarieties of semigroups. III. Algebra Universalis. 1985;21:256-279.Edit
Dynamics of implicit operations and tameness of pseudovarieties of groups. Trans. Amer. Math. Soc.. 2002;354:387-411 (electronic).Edit
Complete kappa-reducibility of pseudovarieties of the form DRH. International Journal of Algebra and Computation. 2017;27(02):189-236.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
[2004-21] Tameness of pseudovariety joins involving R .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
Fetal QRS detection and heart rate estimation: A wavelet-based approach. Physiological Measurement. 2014;35:1723-1735.Edit
Complete κ-reducibility of pseudovarieties of the form DRH. International Journal of Algebra and Computation. 2017;27(2):189-235.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
Profinite categories and semidirect products. J. Pure Appl. Algebra. 1998;123:1-50.Edit
QT variability and HRV interactions in ECG: Quantification and reliability. {IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING}. 2006;{53}:{1317-1329}.Edit