I am currently working toward an M.S. degree in Computer Technology at the School of Computer Science，Peking University. My research interests lie in the fields of

• LLM Reasoning
• Post-Training
• Reward Modeling.

🔥 News

• 2025.01:  🎉🎉 rStar-Math is released on arXiv

📝 Publications

Arxiv

rStar-Math: Small LLMs Can Master Math Reasoning with Self-Evolved Deep Thinking

Xinyu Guan∗, Li Lyna Zhang∗, Yifei Liu, Ning Shang, Youran Sun, Yi Zhu, Fan Yang, Mao Yang

Project

• We present rStar-Math to demonstrate that small language models (SLMs) can rival or even surpass the math reasoning capability of OpenAI o1-mini, without distillation from superior models.

📖 Educations

• 2023.06 - 2026.06 (expected), Master, The School of Computer Science, Peking University.
• 2019.06 - 2023.06, Undergraduate, Software Institute, Nanjing University.

💻 Internships

• 2024.01 - now, Microsoft Research Asia
• 2022.09 - 2023.06, ByteDance