Finite semigroups, feedback, and the Letichevsky criteria on non-empty words in finite automata

Pál Dömösi, Chrystopher L. Nehaniv, John L. Rhodes. Finite semigroups, feedback, and the Letichevsky criteria on non-empty words in finite automata. Theoretical Computer Science, 302(1-3):295-317, 2003. [doi]

Abstract

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