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Hierarchies of one-way multihead automata languages

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Automata, Languages and Programming (ICALP 1985)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 194))

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Abstract

Let DPDA(k) (resp. NPDA(k)) be the class of languages recognized by one-way k-head deterministic (resp. nondeterministic) pushdown automata. The main result of this paper is that for each k>0 DPDA(k) ⪇ DPDA (k+1) and DPDA(k) ⪇ NPDA(k).

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Authors and Affiliations

  1. Institute of Informatics, Warsaw University, PKIN VIII p., 00-901, Warsaw, Poland

    Marek Chrobak

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  1. Marek Chrobak
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Wilfried Brauer

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© 1985 Springer-Verlag Berlin Heidelberg

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Chrobak, M. (1985). Hierarchies of one-way multihead automata languages. In: Brauer, W. (eds) Automata, Languages and Programming. ICALP 1985. Lecture Notes in Computer Science, vol 194. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0015735

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  • DOI: https://doi.org/10.1007/BFb0015735

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-15650-5

  • Online ISBN: 978-3-540-39557-7

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