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Characterization of context-pree languages by erasing automata

  • Petr Jančar
  • František Mráz
  • Martin Plátek
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 629)

Abstract

It is shown that context-free languages are recognizable by (non-deterministic) erasing automata; thereby a hypothesis of [1] is denied. In addition, the class of context-free languages is characterized by means of the automata which erase each cell at the second visit at latest.

Keywords

Regular Language Input Word Grammar Rule Terminal Symbol Nondeterministic Automaton 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1992

Authors and Affiliations

  • Petr Jančar
    • 1
  • František Mráz
    • 2
  • Martin Plátek
    • 2
  1. 1.Department of Computer ScienceUniversity of OstravaOstravaCzechoslovakia
  2. 2.Department of Computer ScienceCharles UniversityPraha 1Czechoslovakia

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