I used to participate in competitive programming. My Codeforces ID was AwD. I was also a former administrator of Universal Online Judge. (We provided the most challenging tasks in China!)

On the Universal Near Optimality of Hedge in Combinatorial SettingsZhiyuan Fan*, Arnab Maiti*, Kevin Jamieson, Lillian J. Ratliff, Gabriele FarinaAccepted at the 39th Annual Conference on Neural Information Processing Systems (NeurIPS 2025).Spotlight Efficient Near-Optimal Algorithm for Online Shortest Paths in Directed Acyclic Graphs with Bandit Feedback Against Adaptive AdversariesArnab Maiti*, Zhiyuan Fan*, Kevin Jamieson, Lillian…

Hi there! I am a third-year Ph.D. student in computer science at MIT, previously graduated from Yao Class at Tsinghua University. My research interest lies in theoretical machine learning and practical algorithms. Check out my CV for more details!