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IEICE TRANSACTIONS on Information

A Note on Probabilistic Rebound Automata

Lan ZHANG, Tokio OKAZAKI, Katsushi INOUE, Akira ITO, Yue WANG

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Summary :

This paper introduces a probabilistic rebound automaton (pra), and investigates its accepting power and closure property. We show that (1) the class of languages recognized by pra's with error probability less than 1/2, PRA, is incomparable with the class of context-free languages, (2) there is a language accepted by a two-way nondeterministic one counter automaton, but not in PRA, and (3) there is a language accepted by a deterministic one-marker rebound automaton, but not in PRA. We also show that PRA is not closed under concatenation and Kleene + .

Publication
IEICE TRANSACTIONS on Information Vol.E81-D No.10 pp.1045-1052
Publication Date
1998/10/25
Publicized
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DOI
Type of Manuscript
Category
Automata,Languages and Theory of Computing

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