second-order stationary point

SSRGD: Simple Stochastic Recursive Gradient Descent for Escaping Saddle Points NeurIPS 2019 Stabilized SVRG: Simple Variance Reduction for Nonconvex Optimization COLT 2019 Stochastic Variance-Reduced Cubic Regularization for Nonconvex Optimization AISTATS 2019 Accelerated Gradient Descent Escapes Saddle Points Faster than Gradient Descent COLT 2018 Adaptive Negative Curvature Descent with Applications in Non-convex Optimization NeurIPS 2018 Convergence of Cubic Regularization for Nonconvex Optimization under KL Property NeurIPS 2018 Escaping Saddle Points in Constrained Optimization NeurIPS 2018 Escaping Saddles with Stochastic Gradients ICML 2018 First-order Stochastic Algorithms for Escaping From Saddle Points in Almost Linear Time NeurIPS 2018 Smoothed analysis of the low-rank approach for smooth semidefinite programs NeurIPS 2018 SPIDER: Near-Optimal Non-Convex Optimization via Stochastic Path-Integrated Differential Estimator NeurIPS 2018 How to Escape Saddle Points Efficiently ICML 2017