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Convergence of Finite Memory Q-Learning for POMDPs and Near Optimality of Learned Policies under Filter Stability. (arXiv:2103.12158v4 [cs.LG] UPDATED)
Oct. 27, 2022, 1:12 a.m. | Ali Devran Kara, Serdar Yuksel
cs.LG updates on arXiv.org arxiv.org
In this paper, for POMDPs, we provide the convergence of a Q learning
algorithm for control policies using a finite history of past observations and
control actions, and, consequentially, we establish near optimality of such
limit Q functions under explicit filter stability conditions. We present
explicit error bounds relating the approximation error to the length of the
finite history window. We establish the convergence of such Q-learning
iterations under mild ergodicity assumptions on the state process during the
exploration phase. …
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