Search Results for author: Hanseul Cho

Found 3 papers, 1 papers with code

Fundamental Benefit of Alternating Updates in Minimax Optimization

no code implementations16 Feb 2024 Jaewook Lee, Hanseul Cho, Chulhee Yun

The Gradient Descent-Ascent (GDA) algorithm, designed to solve minimax optimization problems, takes the descent and ascent steps either simultaneously (Sim-GDA) or alternately (Alt-GDA).

Fair Streaming Principal Component Analysis: Statistical and Algorithmic Viewpoint

1 code implementation NeurIPS 2023 Junghyun Lee, Hanseul Cho, Se-Young Yun, Chulhee Yun

Fair Principal Component Analysis (PCA) is a problem setting where we aim to perform PCA while making the resulting representation fair in that the projected distributions, conditional on the sensitive attributes, match one another.

SGDA with shuffling: faster convergence for nonconvex-PŁ minimax optimization

no code implementations12 Oct 2022 Hanseul Cho, Chulhee Yun

Stochastic gradient descent-ascent (SGDA) is one of the main workhorses for solving finite-sum minimax optimization problems.

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