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Provably Efficient Representation Selection in Low-rank Markov Decision Processes: From Online to Offline RL
Feb. 15, 2024, 5:43 a.m. | Weitong Zhang, Jiafan He, Dongruo Zhou, Amy Zhang, Quanquan Gu
cs.LG updates on arXiv.org arxiv.org
Abstract: The success of deep reinforcement learning (DRL) lies in its ability to learn a representation that is well-suited for the exploration and exploitation task. To understand how the choice of representation can improve the efficiency of reinforcement learning (RL), we study representation selection for a class of low-rank Markov Decision Processes (MDPs) where the transition kernel can be represented in a bilinear form. We propose an efficient algorithm, called ReLEX, for representation learning in both …
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