Pan Xu

Breaking the Total Variance Barrier: Sharp Sample Complexity for Linear Heteroscedastic Bandits with Fixed Action Set

MOBODY: Model-Based Off-Dynamics Offline Reinforcement Learning

Diffusion Posterior Sampling for Nonlinear Contextual Bandits

Provable Anytime Ensemble Sampling Algorithms in Nonlinear Contextual Bandits

Linear Mixture Distributionally Robust Markov Decision Processes

Sample Complexity of Distributionally Robust Off-Dynamics Reinforcement Learning with Online Interaction

Robust Offline Reinforcement Learning with Linearly Structured $f$-Divergence Regularization