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Zijian Liu

Stochastic Nonsmooth Convex Optimization with Heavy-Tailed Noises

Mar 25, 2023
Zijian Liu, Zhengyuan Zhou

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High Probability Convergence of Stochastic Gradient Methods

Feb 28, 2023
Zijian Liu, Ta Duy Nguyen, Thien Hang Nguyen, Alina Ene, Huy Lê Nguyen

* This paper subsumes arXiv paper arxiv:2210.00679

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Breaking the Lower Bound with (Little) Structure: Acceleration in Non-Convex Stochastic Optimization with Heavy-Tailed Noise

Feb 14, 2023
Zijian Liu, Jiawei Zhang, Zhengyuan Zhou

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On the Convergence of AdaGrad on $\R^{d}$: Beyond Convexity, Non-Asymptotic Rate and Acceleration

Sep 29, 2022
Zijian Liu, Ta Duy Nguyen, Alina Ene, Huy L. Nguyen

$Figure 1 for On the Convergence of AdaGrad on $\R^{d}$: Beyond Convexity, Non-Asymptotic Rate and Acceleration$

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