Welcome to Lexiao's Homepage!


I am a Ph.D. Student at Columbia IEOR


I am Lexiao Lai 赖乐潇, a Ph.D. student at Columbia IEOR. My research interest lies broadly in Operations Research, especially in Optimization. I completed my undergraduate at the University of Hong Kong, majoring in Mathematics and minoring in Finance. And I graduated with First Class Honors.

At Columbia, I am working with Prof. Cédric Josz on nonconvex optimization problems. Please refer to my CV for more details.

Research Papers

  1. Cédric Josz, Lexiao Lai, Nonsmooth rank one matrix factorization landscape, Under Review, 2021
  2. Elliot Cartee, Lexiao Lai, Qianli Song, Alexander Vladimirsky, Time-dependent surveillance-evasion games, 58th IEEE Conference on Decision and Control, 2019 (Website)