Search Results for author: Zaiyan Xu

Found 3 papers, 3 papers with code

Bridging Distributionally Robust Learning and Offline RL: An Approach to Mitigate Distribution Shift and Partial Data Coverage

1 code implementation27 Oct 2023 Kishan Panaganti, Zaiyan Xu, Dileep Kalathil, Mohammad Ghavamzadeh

The goal of an offline reinforcement learning (RL) algorithm is to learn optimal polices using historical (offline) data, without access to the environment for online exploration.

Offline RL Reinforcement Learning (RL)

Improved Sample Complexity Bounds for Distributionally Robust Reinforcement Learning

1 code implementation5 Mar 2023 Zaiyan Xu, Kishan Panaganti, Dileep Kalathil

We formulate this as a distributionally robust reinforcement learning (DR-RL) problem where the objective is to learn the policy which maximizes the value function against the worst possible stochastic model of the environment in an uncertainty set.

reinforcement-learning Reinforcement Learning (RL)

Robust Reinforcement Learning using Offline Data

1 code implementation10 Aug 2022 Kishan Panaganti, Zaiyan Xu, Dileep Kalathil, Mohammad Ghavamzadeh

The goal of robust reinforcement learning (RL) is to learn a policy that is robust against the uncertainty in model parameters.

reinforcement-learning Reinforcement Learning (RL)

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