Search Results for author: Guanyi Wang

Found 7 papers, 3 papers with code

Upper bounds for Model-Free Row-Sparse Principal Component Analysis

no code implementations ICML 2020 Guanyi Wang, Santanu Dey

We propose a new framework that finds out upper (dual) bounds for the sparse PCA within polynomial time via solving a convex integer program (IP).

Dimensionality Reduction

Do algorithms and barriers for sparse principal component analysis extend to other structured settings?

no code implementations25 Jul 2023 Guanyi Wang, Mengqi Lou, Ashwin Pananjady

We study a principal component analysis problem under the spiked Wishart model in which the structure in the signal is captured by a class of union-of-subspace models.

Individualized Treatment Allocation in Sequential Network Games

no code implementations11 Feb 2023 Toru Kitagawa, Guanyi Wang

Focusing on sequential decision games of interacting agents, this paper develops a method to obtain optimal treatment assignment rules that maximize a social welfare criterion by evaluating stationary distributions of outcomes.

Only Train Once: A One-Shot Neural Network Training And Pruning Framework

1 code implementation NeurIPS 2021 Tianyi Chen, Bo Ji, Tianyu Ding, Biyi Fang, Guanyi Wang, Zhihui Zhu, Luming Liang, Yixin Shi, Sheng Yi, Xiao Tu

Structured pruning is a commonly used technique in deploying deep neural networks (DNNs) onto resource-constrained devices.

A Half-Space Stochastic Projected Gradient Method for Group Sparsity Regularization

no code implementations1 Jan 2021 Tianyi Chen, Guanyi Wang, Tianyu Ding, Bo Ji, Sheng Yi, Zhihui Zhu

Optimizing with group sparsity is significant in enhancing model interpretability in machining learning applications, e. g., feature selection, compressed sensing and model compression.

feature selection Model Compression +1

Who Should Get Vaccinated? Individualized Allocation of Vaccines Over SIR Network

1 code implementation7 Dec 2020 Toru Kitagawa, Guanyi Wang

How to allocate vaccines over heterogeneous individuals is one of the important policy decisions in pandemic times.

Orthant Based Proximal Stochastic Gradient Method for $\ell_1$-Regularized Optimization

1 code implementation7 Apr 2020 Tianyi Chen, Tianyu Ding, Bo Ji, Guanyi Wang, Jing Tian, Yixin Shi, Sheng Yi, Xiao Tu, Zhihui Zhu

Sparsity-inducing regularization problems are ubiquitous in machine learning applications, ranging from feature selection to model compression.

feature selection Model Compression

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