Two heads are better than two tapes

  • Authors:
  • Tao Jiang;Joel I. Seiferas;Paul M. B. Vitányi

  • Affiliations:
  • McMaster University, Hamilton, Ontario, Canada;University of Rochester, Rochester, New York;CWI and Universiteit van Amsterdam, Amsterdam, The Netherlands

  • Venue:
  • Journal of the ACM (JACM)
  • Year:
  • 1997

Quantified Score

Hi-index 0.01

Visualization

Abstract

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