Hi, I am Haojun Chen. I am currently a second-year Ph.D. student at the Institute for Artificial Intelligence, Peking University, advised by Prof. Yaodong Yang. My research interests lie in the intersection of World Models, Generative Models, Reinforcement Learning, and their intersection with science problems. Please do not hesitate to reach out to me via email at chenhaojun@stu.pku.edu.cn!

🔥 News

  • 2026.03:  🎉🎉 One paper gets accepted in ICRA 2026.
  • 2025.05:  🎉🎉 One paper gets accepted in ICML 2025.
  • 2024.09:  🎉🎉 One paper gets accepted in NeurIPS 2024.

📝 Publications

arXiv 2026
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Accelerating Robotic Reinforcement Learning with Agent Guidance

Haojun Chen*, Zili Zou*, Chengdong Ma, Yaoxiang Pu, Haotong Zhang, Yuanpei Chen, Yaodong Yang

The first agent in the loop real-world reinforcement learning framework

Project website

arXiv 2025
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A breakthrough on Hilbert’s 18th problem in positive curvature by AI.

Finding Kissing Numbers with Game-theoretic Reinforcement Learning

Chengdong Ma*, Théo Tao Zhaowei*, Pengyu Li*, Minghao Liu, Haojun Chen, Zihao Mao, Yuan Cheng, Yuan Qi, Yaodong Yang

Recorded in the standard databases for Kissing Number and Spherical Code

Research Documentary: English Version, Chinese Version

This work has been covered by:
科技日报 Science and Technology Daily
麻省理工科技评论 MIT Technology Review
环球科学 Scientific American

ICRA 2026
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DexKnot: Generalizable Visuomotor Policy Learning for Dexterous Bag-Knotting Manipulation

Jiayuan Zhang*, Ruihai Wu*, Haojun Chen, Yuran Wang, Yifan Zhong, Ceyao Zhang, Yaodong Yang, Yuanpei Chen

ICML 2025
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Falcon: Fast Visuomotor Policies via Partial Denoising

Haojun Chen*, Minghao Liu*, Chengdong Ma, Xiaojian Ma, Zailin Ma, Huimin Wu, Yuanpei Chen, Yifan Zhong, Mingzhi Wang, Qing Li, Yaodong Yang

Code

NeurIPS 2024
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Panacea: Pareto Alignment via Preference Adaptation for LLMs

Yifan Zhong*, Chengdong Ma*, Xiaoyuan Zhang*, Ziran Yang, Haojun Chen, Qingfu Zhang, Siyuan Qi, Yaodong Yang

ICML 2023
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MANSA: Learning Fast and Slow in Multi-Agent Systems

David Henry Mguni, Haojun Chen, Taher Jafferjee, Jianhong Wang, Longfei Yue, Xidong Feng, Stephen Marcus Mcaleer, Feifei Tong, Jun Wang, Yaodong Yang

📖 Educations

  • PKU Logo 2024.09 - now, Ph.D. student, Institute for Artificial Intelligence, Peking University.
  • bjtu_logo 2020.09 - 2024.06, B.S., School of Mathematics and Statistics. Beijing Jiaotong University.

💬 Services

  • Reviewer for AAAI2025, ICML2025, ICLR2026, ICML2026.
  • Teaching Assistant for “Multi-Agent System” (2026 Spring). [Website]