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Displaying similar documents to “Topological automata”

A topology for automata. II.

Srivastava, Arun K., Shukla, Wagish (1986)

International Journal of Mathematics and Mathematical Sciences

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Returning and non-returning parallel communicating finite automata are equivalent

Ashish Choudhary, Kamala Krithivasan, Victor Mitrana (2007)

RAIRO - Theoretical Informatics and Applications

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A parallel communicating automata system consists of several automata working independently in parallel and communicating with each other by request with the aim of recognizing a word. Rather surprisingly, returning parallel communicating finite automata systems are equivalent to the non-returning variants. We show this result by proving the equivalence of both with multihead finite automata. Some open problems are finally formulated.

How expressions can code for automata

Sylvain Lombardy, Jacques Sakarovitch (2005)

RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications

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In this paper we investigate how it is possible to recover an automaton from a rational expression that has been computed from that automaton. The notion of derived term of an expression, introduced by Antimirov, appears to be instrumental in this problem. The second important ingredient is the co-minimization of an automaton, a dual and generalized Moore algorithm on non-deterministic automata. We show here that if an automaton is then sufficiently “decorated”, the combination of these...