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 5th-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

(Pre-)Publications

Nonconvex Rectangular Matrix Completion via Gradient Descent without $ell_{2,infty}$ Regularization [arXiv]
Ji Chen, Dekai Liu and Xiaodong Li, submitted.

Model-free Nonconvex Matrix Completion: Local Minima Analysisand Applications in Memory-efficient Kernel PCA [arXiv][JMLR]
Ji Chen and Xiaodong Li, Journal of Machine Learning Research 20(142):1-39, 2019.