Pushdown dimension

  • Authors:
  • David Doty;Jared Nichols

  • Affiliations:
  • Department of Computer Science, Iowa State University, Ames, IA, 50011, USA;Department of Computer Science, Iowa State University, Ames, IA, 50011, USA

  • Venue:
  • Theoretical Computer Science
  • Year:
  • 2007

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Abstract

Resource-bounded dimension is a notion of computational information density of infinite sequences based on computationally bounded gamblers. This paper develops the theory of pushdown dimension and explores its relationship with finite-state dimension. The pushdown dimension of any sequence is trivially bounded above by its finite-state dimension, since a pushdown gambler can simulate any finite-state gambler. We show that for every rational 0