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Closing the Gap: Achieving Global Convergence (Last Iterate) of Actor-Critic under Markovian Sampling with Neural Network Parametrization
May 6, 2024, 4:42 a.m. | Mudit Gaur, Vaneet Aggarwal, Amrit Singh Bedi, Di Wang
cs.LG updates on arXiv.org arxiv.org
Abstract: The current state-of-the-art theoretical analysis of Actor-Critic (AC) algorithms significantly lags in addressing the practical aspects of AC implementations. This crucial gap needs bridging to bring the analysis in line with practical implementations of AC. To address this, we advocate for considering the MMCLG criteria: \textbf{M}ulti-layer neural network parametrization for actor/critic, \textbf{M}arkovian sampling, \textbf{C}ontinuous state-action spaces, the performance of the \textbf{L}ast iterate, and \textbf{G}lobal optimality. These aspects are practically significant and have been largely overlooked …
abstract actor actor-critic algorithms analysis art arxiv convergence cs.ai cs.lg current gap global iterate line network neural network practical sampling state type
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