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Risk-Sensitive Optimality of Discounted Continuous-Time Markov Decision Processes

2018-01-18 13:11    
主题:
Risk-Sensitive Optimality of Discounted Continuous-Time Markov Decision Processes
时间:
2018-01-19 15:00-16:00
地点:
卫津路校区6号楼112教室
主讲人:
廖仲威

主讲人简介

中山大学副研究员

演讲内容介绍

    We will talk about some recent work on the risk-sensitive conlrol problem with unconstrained discounted continuous-time Markov decision processes (CTMDPs) taking values in discrete state space. The controlled model associated with the CTMDPs is under the deterministic history-dependent policies. Under some conditions imposed on the primitives, allowing unbounded transition rates and unbounded cost rates, we develop the dynamic programming approach and then obtain the corresponding Hamilton-Jacobi-Bellman equation (HJB equation). Furthermore, compactness-continuity conditions are introduced to ensure the existence of a solution to the HJB equation. Finally, we show the existence of an optimal Markov policies and also verify that the value function of the risk-sensitive control problem is the solution of the HJB equation.

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