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Editors contains: "Nikolai Matni, Manfred Morari"

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  1. (, Proceedings of Machine Learning Research)
    Nikolai Matni, Manfred Morari (Ed.)
    This paper proposes a Bellman Deviation algorithm for the detection of man-in-the-middle (MITM) attacks occurring when an agent controls a Markov Decision Process (MDP) system using model-free reinforcement learning. This algorithm is derived by constructing a "Bellman Deviation sequence" and finding stochastic bounds on its running sequence average. We show that an intuitive, necessary and sufficient "informational advantage" condition must be met for the proposed algorithm to guarantee the detection of attacks with high probability, while also avoiding false alarms. 
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