205 citations · 822 across the 39 of their papers we have counts for
Showing 2020 · math.STShow all
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math.ST2020★ 7 cited
Exact Minimax Estimation for Phase Synchronization
Chao Gao, Anderson Y. Zhang
We study the phase synchronization problem with measurements , where is an -dimensional complex unit-modulus vector and is a c…
math.ST2020
Convergence Rates of Empirical Bayes Posterior Distributions: A Variational Perspective
Fengshuo Zhang, Chao Gao
We study the convergence rates of empirical Bayes posterior distributions for nonparametric and high-dimensional inference. We show that as long as the hyperparameter set is discre…
math.ST2020★ 1 cited
Model Repair: Robust Recovery of Over-Parameterized Statistical Models
Chao Gao, John Lafferty
A new type of robust estimation problem is introduced where the goal is to recover a statistical model that has been corrupted after it has been estimated from data. Methods are pr…