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cs.LG2021
Operator Shifting for Model-based Policy Evaluation
Xun Tang, Lexing Ying, Yuhua Zhu
In model-based reinforcement learning, the transition matrix and reward vector are often estimated from random samples subject to noise. Even if the estimated model is an unbiased…
cs.LG2021
Variational Actor-Critic Algorithms
Yuhua Zhu, Lexing Ying
We introduce a class of variational actor-critic algorithms based on a variational formulation over both the value function and the policy. The objective function of the variationa…