About Me

I am now a second-year Ph.D. student at Institute for Interdisciplinary Information Sciences, Tsinghua University, advised by Professor Jingzhao Zhang. Previously, I did my undergraduate at School of Data Science, Fudan University, advised by Professor Luo Luo.

Teaching Assistant

Representative Works

  • Near-Optimal Nonconvex-Strongly-Convex Bilevel Optimization with Fully First-Order Oracles.
    Lesi Chen1, Yaohua Ma1, and Jingzhao Zhang. [arXiv 2023]

  • On Finding Small Hyper-Gradients in Bilevel Optimization: Hardness Results and Improved Analysis.
    Lesi Chen1, Jing Xu1, and Jingzhao Zhang. [COLT 2024]