In this article, we study the complexity of drunken man infinite words. We show that these infinite words, generated by a deterministic and complete countable automaton, or equival...
Abstract. Visibly pushdown transducers (VPTs) form a strict subclass of pushdown transducers (PTs) that extends finite state transducers with a stack. Like visibly pushdown automa...
A process is extensionally deterministic if, after any trace s and given any event a, it is either certain to accept or certain to refuse a (stably) after s. We show how several p...
Abstract. We consider in this paper so called simple bracketed languages having special limitations. They are sometimes used for the definitions of some grammatical structures of p...
Abstract. A new class of languages of infinite words is introduced, called the maxregular languages, extending the class of ω-regular languages. The class has two equivalent desc...