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11/22/2022
Transfer Learning for Contextual Multi-armed Bandits
Motivated by a range of applications, we study in this paper the problem...
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04/07/2021
Minimax Estimation of Linear Functions of Eigenvectors in the Face of Small Eigen-Gaps
Eigenvector perturbation analysis plays a vital role in various statisti...
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02/12/2021
Is Q-Learning Minimax Optimal? A Tight Sample Complexity Analysis
Q-learning, which seeks to learn the optimal Q-function of a Markov deci...
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06/15/2020
Uncertainty quantification for nonconvex tensor completion: Confidence intervals, heteroscedasticity and optimality
We study the distribution and uncertainty of nonconvex optimization for ...
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11/11/2019
Nonconvex Low-Rank Symmetric Tensor Completion from Noisy Data
We study a noisy symmetric tensor completion problem of broad practical ...
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10/09/2019