Publications
Semisimple synchronizing automata and the Wedderburn-Artin theory. Internat. J. Foundat. Comput. Sci.. 2016;27(2):127-145.Edit
Semigroups whose idempotents form a subsemigroup. Math. Proc. Cambridge Philos. Soc.. 1992;111:241-253.Edit
Matrix mortality and the Černý-Pin conjecture. In: Developments in language theory. Vol 5583. Springer, Berlin; 2009. 6. p. 67-80p. (Lecture Notes in Comput. Sci.; vol 5583).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
The pseudoidentity problem and reducibility for completely regular semigroups. Bull. Austral. Math. Soc.. 2001;63:407-433.Edit
Hedonic and descriptive skinfeel analysis of two oleogels: Comparison with other topical formulations. Journal of Sensory Studies. 2008;23:92-113.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
[2004-21] Tameness of pseudovariety joins involving R .Edit
Some order properties of the lattice of varieties of commutative semigroups. Canad. J. Math.. 1986;38:19-47.Edit
Reducibility of pointlike problems. Semigroup Forum. 2017;94(2):325-335.Edit
[2009-39] New decidable upper bound of the second level in the Straubing-Thérien concatenation hierarchy .Edit
On pseudovarieties, varieties of languages, filters of congruences, pseudoidentities and related topics. Algebra Universalis. 1990;27:333-350.Edit
Pointlike sets with respect to $\bf R$ and $\bf J$. J. Pure Appl. Algebra. 2008;212:486-499.Edit
[2006-44] Pointlike sets with respect to R and J .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
Sur certains systèmes d'équations avec contraintes dans un groupe libre. Portugal. Math.. 1999;56:409-417.Edit
Idempotent-generated semigroups and pseudovarieties. Proceedings of the Edinburgh Mathematical Society. 2011;54:545-568.Edit
Monoids respecting $n$-chains of intervals. J. Algebra. 1997;187:183-202.Edit
[2006-20] Representation theory of finite semigroups, semigroup radicals and formal language theory .Edit
Commutative positive varieties of languages. Acta Cybernetica. 2017;23(1):91-111.Edit