Kolmogorov-Loveland stochasticity and Kolmogorov complexity

  • Authors:
  • Laurent Bienvenu

  • Affiliations:
  • Laboratoire d'Informatique Fondamentale, Marseille Cedex 13, France

  • Venue:
  • STACS'07 Proceedings of the 24th annual conference on Theoretical aspects of computer science
  • Year:
  • 2007

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Abstract

Merkle et al. [11] that all Kolmogorov-Loveland stochastic infinite binary sequences have constructive Hausdorff dimension 1. In this paper, we go even further, showing that from an infinite sequence of dimension less than H(1/2+ δ) (H being the Shannon entropy function) one can extract by a selection rule a biased subsequence with bias at least d. We also prove an analogous result for finite strings.