Xu, Yunzong

5 publications

NeurIPS 2025 Greedy Algorithms for Structured Bandits: A Sharp Characterization of Asymptotic Success / Failure Aleksandrs Slivkins, Yunzong Xu, Shiliang Zuo

COLT 2022 Offline Reinforcement Learning: Fundamental Barriers for Value Function Approximation Dylan J Foster, Akshay Krishnamurthy, David Simchi-Levi, Yunzong Xu

COLT 2021 Instance-Dependent Complexity of Contextual Bandits and Reinforcement Learning: A Disagreement-Based Perspective Dylan Foster, Alexander Rakhlin, David Simchi-Levi, Yunzong Xu

ICML 2020 Online Pricing with Offline Data: Phase Transition and Inverse Square Law Jinzhi Bu, David Simchi-Levi, Yunzong Xu

NeurIPS 2019 Phase Transitions and Cyclic Phenomena in Bandits with Switching Constraints David Simchi-Levi, Yunzong Xu