Browsing by Subject "Randomized policy"

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    Risk-averse control of undiscounted transient Markov models
    (Society for Industrial and Applied Mathematics, 2014) Çavuş, Ö.; Ruszczyński, A.
    We use Markov risk measures to formulate a risk-averse version of the undiscounted total cost problem for a transient controlled Markov process. Using the new concept of a multikernel, we derive conditions for a system to be risk transient, that is, to have finite risk over an infinite time horizon. We derive risk-averse dynamic programming equations satisfied by the optimal policy and we describe methods for solving these equations. We illustrate the results on an optimal stopping problem and an organ transplantation problem.