Dingzhi Yu

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Papers (3)

1. When and Why SignSGD Outperforms SGD: A Theoretical Study Based on $\ell_1$-norm Lower Bounds cs.LG · 2026 · author #2
2. StoSignSGD: Unbiased Structural Stochasticity Fixes SignSGD for Training Large Language Models cs.LG · 2026 · author #1
3. Sign-Based Optimizers Are Effective Under Heavy-Tailed Noise cs.LG · 2026 · author #1

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Frequent Coauthors

• Hongyi Tao 2 shared papers
• Lijun Zhang 2 shared papers
• Luo Luo 1 shared papers
• Rui Pan 1 shared papers
• Tong Zhang 1 shared papers
• Yuanyu Wan 1 shared papers
• Yuxing Liu 1 shared papers