no code implementations • 23 Jul 2019 • Tao Sun, Dongsheng Li, Zhe Quan, Hao Jiang, Shengguo Li, Yong Dou
In this paper, we answer a question: can the nonconvex heavy-ball algorithms with random initialization avoid saddle points?
no code implementations • 9 Feb 2019 • Tao Sun, Dongsheng Li, Hao Jiang, Zhe Quan
In this paper, we consider a class of nonconvex problems with linear constraints appearing frequently in the area of image processing.