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stat.ML2018
Projection-Free Algorithms in Statistical Estimation
Yan Li, Chao Qu, Huan Xu
Frank-Wolfe algorithm (FW) and its variants have gained a surge of interests in machine learning community due to its projection-free property. Recently people have reduced the gra…
stat.ML2018
Fast Global Convergence via Landscape of Empirical Loss
Chao Qu, Yan Li, Huan Xu
While optimizing convex objective (loss) functions has been a powerhouse for machine learning for at least two decades, non-convex loss functions have attracted fast growing intere…
stat.ML2017★ 3 cited
SAGA and Restricted Strong Convexity
Chao Qu, Yan Li, Huan Xu
SAGA is a fast incremental gradient method on the finite sum problem and its effectiveness has been tested on a vast of applications. In this paper, we analyze SAGA on a class of n…