Abstract

In this paper we consider finite state and action, discrete time parameters normalized Markov decision chains, i.e., Markov decision processes with transition matrices that are nonnegative with spectral radius not exceeding one (but not necessarily substochastic). We show that the periodical reward gained in period N is bounded by a polynom, uniformly over the set of all policies. The degree of this polynom can be obtained by considering only the set of stationary policies. Extending and improving results of Sladky (1974) for the stochastic case, we obtain necessary and sufficient conditions for n discount optimality of arbitrary (not necessarily stationary) policies.

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