π€ About me
I am a Ph.D. student at the Institute for Artificial Intelligence, Peking University. I am working under the supervision of Prof. Yaodong Yang, my first initiation mentor in multi-agent systems. My research interests include reinforcement learning, game theory, and their intersection with math. The current topics I am focused on are:
- Multi-agent Systems: Developing practical algorithms for large-scale system control and multi-player computer games.
- Reinforcement Learning for Math: Exploring the potential of reinforcement learning in fundamental mathematical problems.
π Publications

Efficient and Scalable Reinforcement Learning for Large-scale Network Control
Chengdong Ma*, Aming Li*, Yali Du*, Hao Dong, Yaodong Yang
This work has been covered by:
ζ°εη½ XinHua Net
η§ζζ₯ζ₯ Science and Technology Daily
εδΊ¬ε€§ε¦ζ°ι»η½ Peking University News

Magnetic Preference Optimization: Achieving Last-iterate Convergence for Language Model Alignment
Mingzhi Wang, Chengdong Ma, Qizhi Chen, Linjian Meng, Yang Han, Jiancong Xiao, Zhaowei Zhang, Jing Huo, Weijie J. Su, Yaodong Yang

Mean Field Correlated Imitation Learning
Zhiyu Zhao, Chengdong Ma, Qirui Mi, Ning Yang, Xue Yan, Mengyue Yang, Haifeng Zhang, Jun Wang, Yaodong Yang

Panacea: Pareto Alignment via Preference Adaptation for LLMs
Yifan Zhong*, Chengdong Ma*, Xiaoyuan Zhang*, Ziran Yang, Haojun Chen, Qingfu Zhang, Siyuan Qi, Yaodong Yang

Evolving Diverse Red-team Language Models in Multi-round Multi-agent Games
Chengdong Ma*, Ziran Yang*, Hai Ci, Jun Gao, Minquan Gao, Xuehai Pan, Yaodong Yang

Scalable model-based policy optimization for decentralized networked systems
Yali Du*, Chengdong Ma*, Yuchen Liu, Runji Lin, Hao Dong, Jun Wang, Yaodong Yang
π¦ Resources

Alignment Methods for Language Models: A Machine Learning Perspective
Mingzhi Wang, Chengdong Ma, Yaodong Yang
π Talks
- 2024.12: Invited Talk in Distributed Artificial Intelligence (DAI) conference.
- 2024.10: Invited Talk at National Key Lab of Autonomous Intelligent Unmanned Systems in Beijing Institute of Technology.
- 2024.09: Invited Talk at Cognitive Computing and Reasoning Lab in Beijing Institute for General Artificial Intelligence.