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Two heads are better than two tapes

  • Published:1997-03 Issue:2 Volume:44 Page:237-256
  • ISSN:0004-5411
  • Container-title:Journal of the ACM
  • language:en
  • Short-container-title:J. ACM

Author:

Jiang Tao1,Seiferas Joel I.2,Vitányi Paul M. B.3

Affiliation:

1. McMaster University, Hamilton, Ontario, Canada

2. University of Rochester, Rochester, New York

3. CWI and Universiteit van Amsterdam, Amsterdam, The Netherlands

Abstract

We show that a Turing machine with two single-head one-dimensional tapes cannot recognize the set.

Publisher

Association for Computing Machinery (ACM)

Subject

Artificial Intelligence,Hardware and Architecture,Information Systems,Control and Systems Engineering,Software

Reference28 articles.

1. Real-time and complexity problems in automata theory;BE V#.;Kyberntika,1965

2. Saving tapes in the simulation of multihead turing machines

3. Coding strings by pairs of strings;CHUNG F. R.;SIAM J. Disc. Math.,1985

4. Two nonlinear lower bounds for on-line computations

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