Layered Models can "Automatically" Regularize and Discover Low-Dimensional Structures via Feature Learning Yunlu Chen, Yang Li, Keli Liu and Feng Ruan. Preprint, 2023.
The Right Complexity Measure in Locally Private Estimation: It is not the Fisher Information Slides: [pdf] John Duchi and Feng Ruan. The Annals of Statistics, 2022+.
Asymptotic Optimality in Stochastic Optimization Slides: [pdf] John Duchi and Feng Ruan. The Annals of Statistics, 49, 2021, 21-48.
Sparse Recovery via Differential Inclusions Stanley Osher, Feng Ruan, Jiechao Xiong, Yuan Yao and Wotao Yin. Slides: [pdf] Applied and Computational Harmonic Analysis 41 2016, 436-469.