Truthful Self-PlayDownload PDF

28 Sept 2020, 15:46 (modified: 05 Mar 2021, 23:06)ICLR 2021 Conference Blind SubmissionReaders: Everyone
Reviewed Version (pdf): https://openreview.net/references/pdf?id=uwdqhWQpDP
Keywords: Comm-POSG, Imaginary Rewards
Abstract: We present a general framework for evolutionary learning to emergent unbiased state representation without any supervision. Evolutionary frameworks such as self-play converge to bad local optima in case of multi-agent reinforcement learning in non-cooperative partially observable environments with communication due to information asymmetry. Our proposed framework is a simple modification of self-play inspired by mechanism design, also known as {\em reverse game theory}, to elicit truthful signals and make the agents cooperative. The key idea is to add imaginary rewards using the peer prediction method, i.e., a mechanism for evaluating the validity of information exchanged between agents in a decentralized environment. Numerical experiments with predator prey, traffic junction and StarCraft tasks demonstrate that the state-of-the-art performance of our framework.
One-sentence Summary: TSP is a general framework for evolutionary learning to emergent unbiased state representation without any supervision.
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