赵育恒 Yuheng Zhao M.Sc. student, LAMDA Group School of Artificial Intelligence National Key Laboratory for Novel Software Technology Nanjing University, Nanjing 210023, China Supervisor: Asst. Prof. Peng Zhao Email: zhaoyh@lamda.nju.edu.cn

Biography

Currently I am a second year M.Sc. student of School of Artificial Intelligence in Nanjing University and a member of LAMDA Group, led by professor Zhi-Hua Zhou.

• 2020 - 2024: B.Sc. in Faculty of Computing and the Honors School, Harbin Institute of Technology
• 2024 - present: M.Sc. student in School of Artificial Intelligence in Nanjing University, under the supervision of assistant professor Peng Zhao

Research Interests

I am interested in online learning and optimization, and in leveraging theoretical insights to guide the design of efficient LLM.

Publications

• Gradient-Variation Regret Bounds for Unconstrained Online Learning. [PDF, arXiv]
  Yuheng Zhao*, Andrew Jacobsen*, Nicolò Cesa-Bianchi, and Peng Zhao.
  In: Proceedings of the 39th Annual Conference on Learning Theory (COLT 2026), San Diego, California, 2026. Page: to appear.
  
  
• Towards Fully Parameter-Free Stochastic Optimization: Grid Search with Self-Bounding Analysis. [PDF, arXiv]
  Yuheng Zhao, Yu-Hu Yan, Amit Attia, Tomer Koren, Lijun Zhang, and Peng Zhao.
  In: Proceedings of the 43rd International Conference on Machine Learning (ICML 2026, Top 2% by score), Seoul, South Korea, 2026. Page: to appear.
  
  
• Gradient-Variation Online Adaptivity for Accelerated Optimization with Hölder Smoothness. [PDF, arXiv]
  Yuheng Zhao, Yu-Hu Yan, Kfir Yehuda Levy, and Peng Zhao.
  In: Advances in Neural Information Processing Systems 38 (NeurIPS 2025, Spotlight), San Diego, USA, 2025. Page: 3749-3779.
  
  

Awards & Honors

• LAMDA 英才奖 (基础研究类), LAMDA Group, 2026.

• Outstanding Graduate Student Model (优秀研究生标兵), Nanjing University, 2025.

• Outstanding Graduate of Harbin Institute of Technology, Harbin Institute of Technology, 2024.

• CCF Elite Collegiate Student Award, CCF, 2023.

• National Scholarship for Undergraduates, MOE of PRC, 2022.

• The 2021 ICPC Asia-East Continent Final Contest, Silver Medal, ICPC Foundation, 2022.

• Baidu A-star, Rank 132/26733 (0.5%), Baidu Campus, 2022.

Teaching Assistant

• Advanced Optimization (With Asst. Prof. Peng Zhao; For Undergraduate and Graduate Students, 2024 Fall)
• Advanced Optimization (With Asst. Prof. Peng Zhao; For Graduate Students, 2025 Fall)

Correspondence

Email: zhaoyh@lamda.nju.edu.cn

Office: Room 522, Artificial Intelligence Building, Xianlin Campus of Nanjing University

Address: National Key Laboratory for Novel Software Technology, Nanjing University, Xianlin Campus Mailbox 603, 163 Xianlin Avenue, Qixia District, Nanjing 210023, China
(In Chinese: 南京市栖霞区仙林大道163号, 南京大学仙林校区603信箱, 软件新技术国家重点实验室, 210023)