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Multihead Finite Automata with Markers

Yue WANG, Katsushi INOUE, Itsuo TAKANAMI

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Summary :

This paper introduces a new class of machines called multihead marker finite automata, and investigates how the number of markers affects its accepting power. Let HM{0}(i, j)(NHM{0}(i, j))denote the class of languages over a one-letter alphabet accepted by two-way deterministic (nondeterminstic) i-head finite automata with j markers. We show that HM{0} (i, j) HM{0}(i, j1) and NHM{0}(i, j) NHM{0}(i, j+1) for each i2, j0.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E77-A No.4 pp.615-620
Publication Date
1994/04/25
Publicized
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Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
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