Iterated Random Functions

  • Authors:
  • Persi Diaconis;David Freedman

  • Affiliations:
  • -;-

  • Venue:
  • SIAM Review
  • Year:
  • 1999

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Abstract

Iterated random functions are used to draw pictures or simulate large Ising models, among other applications. They offer a method for studying the steady state distribution of a Markov chain, and give useful bounds on rates of convergence in a variety of examples. The present paper surveys the field and presents some new examples. There is a simple unifying idea: the iterates of random Lipschitz functions converge if the functions are contracting on the average.