Polynomial Convergence Rates of Markov Chains

Authors:
  • SJSøren F. Jarner
    Søren F. Jarner
  • GRGareth O. Roberts
    Gareth O. Roberts

Abstract
In this paper we consider Foster–Liapounov-type drift conditions for Markov chains which imply polynomial rate convergence to stationarity in appropriate V-norms. We also show how these results can be used to prove central limit theorems for functions of the Markov chain. We consider two examples concerning random walks on the half line and the independence sampler.

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