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Changxiao Cai

Minimax Optimality of the Probability Flow ODE for Diffusion Models

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Mar 12, 2025
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Provable acceleration for diffusion models under minimal assumptions

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Oct 30, 2024
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Minimax-optimal trust-aware multi-armed bandits

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Oct 04, 2024
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Transfer Learning for Contextual Multi-armed Bandits

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Nov 22, 2022
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Minimax Estimation of Linear Functions of Eigenvectors in the Face of Small Eigen-Gaps

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Apr 07, 2021
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Is Q-Learning Minimax Optimal? A Tight Sample Complexity Analysis

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Mar 16, 2021
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Uncertainty quantification for nonconvex tensor completion: Confidence intervals, heteroscedasticity and optimality

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Jun 15, 2020
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Nonconvex Low-Rank Symmetric Tensor Completion from Noisy Data

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Nov 11, 2019
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Subspace Estimation from Unbalanced and Incomplete Data Matrices: $\ell_{2,\infty}$ Statistical Guarantees

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Oct 09, 2019
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