Ji Chen

Ph.D. student

Graduate Group in Applied Mathematics

University of California, Davis

Contact information

Room 3131, Math Science Building

Tel: (530) 761-3672

ljichen AT ucdavis DOT edu

About me

I am currently a 4th-year Ph.D. student in Applied Mathematics at UC Davis advised by Professor Xiaodong Li. Prior to that, I received B.S. in Mathematics (Zhiyuan Mathematics Class) from Shanghai Jiao Tong University, and did my undergraduate thesis with Professor Xiaoqun Zhang.

My CV can be found here.

Research interests

  • Convex and nonconvex optimization

  • Machine learning


  • Memory-efficient Kernel PCA via Partial Matrix Sampling and Nonconvex Optimization: a Model-free Analysis of Local Minima [arXiv]
    Ji Chen and Xiaodong Li
    ArXiv Preprint