Escaping Saddle Points in Nonconvex Minimax Optimization via Cubic-Regularized Gradient Descent-Ascent.

Ziyi Chen Qunwei Li Yi Zhou

Published in: CoRR (2021)

Keyphrases

saddle points
saddle point
objective function
optimization problems
convex optimization
scale space
primal dual
variational inequalities
penalty function
loss function
least squares
constrained optimization
optimal solution
dynamic programming
worst case
critical points