Geodesic
Markov decision processes with time-varying discount factors and random horizon
Kybernetika, Tome 53 (2017) no. 1, pp. 82-98.

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This paper is related to Markov Decision Processes. The optimal control problem is to minimize the expected total discounted cost, with a non-constant discount factor. The discount factor is time-varying and it could depend on the state and the action. Furthermore, it is considered that the horizon of the optimization problem is given by a discrete random variable, that is, a random horizon is assumed. Under general conditions on Markov control model, using the dynamic programming approach, an optimality equation for both cases is obtained, namely, finite support and infinite support of the random horizon. The obtained results are illustrated by two examples, one of them related to optimal replacement.
DOI : 10.14736/kyb-2017-1-0082
Classification : 90C39, 90C40, 93E20
Keywords: Markov decision process; dynamic programming; varying discount factor; random horizon 
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Ilhuicatzi-Roldán, Rocio; Cruz-Suárez, Hugo; Chávez-Rodríguez, Selene. Markov decision processes with time-varying discount factors and random horizon. Kybernetika, Tome 53 (2017) no. 1, pp. 82-98. doi : 10.14736/kyb-2017-1-0082. http://geodesic.mathdoc.fr/articles/10.14736/kyb-2017-1-0082/

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