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Lower Bounds on Metropolized Sampling Methods for Well-Conditioned Distributions


Jun 10, 2021
Yin Tat Lee, Ruoqi Shen, Kevin Tian

* 47 pages, 1 figure, comments welcome! 

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Randomized Exploration is Near-Optimal for Tabular MDP


Feb 19, 2021
Zhihan Xiong, Ruoqi Shen, Simon S. Du


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Structured Logconcave Sampling with a Restricted Gaussian Oracle


Oct 08, 2020
Yin Tat Lee, Ruoqi Shen, Kevin Tian

* 54 pages. The results of Section 5 of this paper, as well as an empirical evaluation, appeared earlier as arXiv:2006.05976 

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Generalized Leverage Score Sampling for Neural Networks


Sep 21, 2020
Jason D. Lee, Ruoqi Shen, Zhao Song, Mengdi Wang, Zheng Yu


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Composite Logconcave Sampling with a Restricted Gaussian Oracle


Jun 10, 2020
Ruoqi Shen, Kevin Tian, Yin Tat Lee


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When is Particle Filtering Efficient for POMDP Sequential Planning?


Jun 10, 2020
Simon S. Du, Wei Hu, Zhiyuan Li, Ruoqi Shen, Zhao Song, Jiajun Wu


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Logsmooth Gradient Concentration and Tighter Runtimes for Metropolized Hamiltonian Monte Carlo


Feb 12, 2020
Yin Tat Lee, Ruoqi Shen, Kevin Tian

* 30 pages 

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The Randomized Midpoint Method for Log-Concave Sampling


Sep 12, 2019
Ruoqi Shen, Yin Tat Lee


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