In this paper, we introduce 1-way and 2-way quantum nite state automata (1qfa's and 2qfa's), which are the quantum analogues of deterministic, nondeterministic and proba...
We examine the succinctness of one-way, rotating, sweeping, and two-way deterministic finite automata (1dfas, rdfas, sdfas, 2dfas). Here, a sdfa is a 2dfa whose head can change di...
We introduce and investigate a distributed computation model for querying the Web. Web queries are computed by interacting automata running at different nodes in the Web. The auto...
Marc Spielmann, Jerzy Tyszkiewicz, Jan Van den Bus...
We address the problem of tight XML schemas and propose regular tree automata to model XML data. We show that the tree automata model is more powerful that the XML DTDs and is clo...
We continue our investigation on the relationship between regular languages and syntactic monoid size. In this paper we confirm the conjecture on two generator transformation semi...