Necessary and sufficient conditions for recurrence and transience of Markov chains, in terms of inequalities

Authors:
  • JMJean-François Mertens
    Jean-François Mertens
  • ESEster Samuel-Cahn
    Ester Samuel-Cahn
  • SZShmuel Zamir
    Shmuel Zamir

Abstract
For an aperiodic, irreducible Markov chain with the non-negative integers as state space it is shown that the existence of a solution to in which yi → ∞is necessary and sufficient for recurrence, and the existence of a bounded solution to the same inequalities, with yk < yo, · · ·, yN–1 for some k ≧ N, is necessary and sufficient for transience.

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