💬 About Me

• I work at JD.com as an internship now, doing Reinforcement Learning research.
• I am an undergraduate student at Renmin University of China, under the supervision of Prof. Mingyang Yi.
• My research interests focus on Machine Learning, especially on Reinforcement Learning.

📖 Educations

• 2026.09 - 2031.06: Ph.D, Computer Science and Techonology, Renmin University of China, Beijing.
• 2022.09 - 2026.06: Undergraduate, Computer Science and Techonology (Turing Class), Renmin University of China, Beijing.

💻 Internships

• 2026.01 - now: Research Intern, AI Infra and Data Group, JD.com, Beijing.
• 2025.03 - 2025.09: Research Intern, Reinforcement Learning Group, Zhongguancun Academy, Beijing.
• 2024.09 - 2025.03: Development Intern, DiT Pre-training Group, PixVerse, Beijing.

📝 Publications

PrePrint

• Reasoning and Tool-use Compete in Agentic RL: From Quantifying Interference to Disentangled Tuning. Yu Li, Mingyang Yi, Xiuyu Li, et al. Preprint, 2026.
• ETS: Energy-Guided Test-Time Scaling for Training-Free RL Alignment. Xiuyu Li*, Jinkai Zhang*, Mingyang Yi, et al. Preprint, 2026.

🎖 Selected Honors and Awards

• 2022.11: The 2022 ICPC Asia Shenyang Regional Contest Gold Medal