Center on Frontiers of Computing Studies, Peking University, China; School of Computer Science, Peking University, China; Center for Theoretical Physics, Massachusetts Institute of Technology, USA; Institute for Interdisciplinary Information Sciences, Tsinghua University, China
张辰逸
saddle points;gradient descent;stochastic optimization;nonconvex optimization;negative curvature finding
Escape saddle points by a simple gradient-descent based algorithm