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Angeliki Kamoutsi

3 accepted papers

2024

Randomized algorithms and PAC bounds for inverse reinforcement learning in continuous spaces

NeurIPS 2024poster

This work studies discrete-time discounted Markov decision processes with continuous state and action spaces and addresses the inverse problem of inferring a cost function from observed optimal behavior. We first consider the case in which we have access to the entire expert policy and characterize…

2022

Proximal Point Imitation Learning

NeurIPS 2022accept

This work develops new algorithms with rigorous efficiency guarantees for infinite horizon imitation learning (IL) with linear function approximation without restrictive coherence assumptions. We begin with the minimax formulation of the problem and then outline how to leverage classical tools from…

2021

Efficient Performance Bounds for Primal-Dual Reinforcement Learning from Demonstrations

ICML 2021spotlight

We consider large-scale Markov decision processes with an unknown cost function and address the problem of learning a policy from a finite set of expert demonstrations. We assume that the learner is not allowed to interact with the expert and has no access to reinforcement signal of any kind.…

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