Publications
Hyperdecidability of pseudovarieties of orthogroups. Glasg. Math. J.. 2001;43:67-83.Edit
A sequence of weakly monotonic automata with increasing level. Int. J. Algebra. 2013;7:91-100.Edit
QT variability and HRV interactions in ECG: Quantification and reliability. {IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING}. 2006;{53}:{1317-1329}.Edit
On pseudovarieties, varieties of languages, filters of congruences, pseudoidentities and related topics. Algebra Universalis. 1990;27:333-350.Edit
Complete reducibility of systems of equations with respect to $\ssf R$. Port. Math. (N.S.). 2007;64:445-508.Edit
Hyperdecidable pseudovarieties and the calculation of semidirect products. Internat. J. Algebra Comput.. 1999;9:241-261.Edit
A syntactical proof of locality of DA. Internat. J. Algebra Comput.. 1996;6:165-177.Edit
Quantification of the QT variability related to HRV: Robustness study facing automatic delineation and noise on the ECG. In: {31st Annual Scientific Meeting on Computers in Cardiology}. Vol {31}. {IEEE}; 2004. {. {p. 769-772p. }.Edit
McCammond's normal forms for free aperiodic semigroups revisited. LMS J. Comput. Math.. 2015;18:130-147.Edit
A notion of branching rank for semilattices with descending chain condition. Order. 1988;4:397-409.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
P wave delineation using spatially projected leads from wavelet transform loops. In: Murray A, editor. {37th Annual Conference of the Computing-in-Cardiology}. Vol {37}. {IEEE}; 2010. {. {p. 1003-1006p. }.Edit
Locally commutative power semigroups and counting factors of words. Theoret. Comput. Sci.. 1993;108:3-16.Edit
Arfima-Garch Modeling of Hrv: Clinical Application in Acute Brain Injury Springer International Publishing 2017.Edit
On the transition semigroups of centrally labeled Rauzy graphs. Internat. J. Algebra Comput.. 2012;22:1250018, 25.Edit
Generalized varieties of commutative and nilpotent semigroups. Semigroup Forum. 1984;30:77-98.Edit
On the equation $\bf V\ast\bf G=\scr E\,\bf V$. J. Pure Appl. Algebra. 2002;166:1-28.Edit
Tameness of the pseudovariety of abelian groups. Internat. J. Algebra Comput.. 2005;15:327-338.Edit
Are 2 Electrocardiographic Leads Enough for Multilead Wave Boundary Location and QT Measuring? In: Murray A, editor. {36th Annual Computers in Cardiology Conference (CinC 2009)}. Vol {36}. {IEEE}; 2009. {. {p. 593-596p. }.Edit
Errors and grids for projected weakly singular integral equations. International Journal of Pure and Applied Mathematics . 2013;89:203-213.Edit