Recent Presentations
Minimalizations of NFA Using the Universal
Automaton, CIAA 2004, poster
Minimalizations of NFA Using the Universal Automaton, DCFS 2004, pdf
On pseudovarieties of semiring homomorphisms, MFCS 2004, pdf
Algebraic theory of regular languages, an
amalgam of my presentations at DCFS 2004, MFCS 2004 and at Summer School
on General Algebra and Ordered Sets, Czech Republic, 2004, pdf
Algebraic
theory of regular languages, slides made from the presentation above,
ps
Slides
On equational logic (for semigroups)
(1998)
Unification in certain varieties of unary semigroups
(1999)