Multiple usage of random bits in finite automata

  • Authors:
  • Rūsiņš Freivalds

  • Affiliations:
  • Institute of Mathematics and Computer Science, University of Latvia, Rīga, Latvia

  • Venue:
  • TAMC'12 Proceedings of the 9th Annual international conference on Theory and Applications of Models of Computation
  • Year:
  • 2012

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Abstract

Finite automata with random bits written on a separate 2-way readable tape can recognize languages not recognizable by probabilistic finite automata. This shows that repeated reading of random bits by finite automata can have big advantages over one-time reading of random bits.