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Some properties of zerotesting bounded one-way multicounter machines

  • Ivana ČernĀ
Communications
Part of the Lecture Notes in Computer Science book series (LNCS, volume 452)

Abstract

Deterministic and nondeterministic one-way multicounter machines with bounds on the number of zerotests are studied. First, we establish a fine hierarchy of zerotesting bounded deterministic counter machine languages. Second, we show that a nondeterministic two-counter machine with 2 zerotests is able to recognize a language which cannot be accepted by any deterministic sublinear zerotesting bounded multicounter machine.

Keywords

Input Word Counter Machine Pushdown Automaton Counter Content Deterministic Machine 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1990

Authors and Affiliations

  • Ivana ČernĀ
    • 1
  1. 1.Department of Computer ScienceComenius UniversityBratislavaCzechoslovakia

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