ETH Zürich; Univ. Grenoble Alpes, CNRS, Inria, Grenoble INP, LIG 38000 France
Ya-Ping Hsieh, Mohammad Reza Karimi Jaghargh, Andreas Krause, Panayotis Mertikopoulos
Riemannian optimization;saddle points;stochastic approximation
Riemannian stochastic optimization methods avoid strict saddle points