Fast and accurate optimization on the orthogonal manifold without retraction.

Pierre Ablin Gabriel Peyré Fast and accurate optimization on the orthogonal manifold without retraction. 5636-5657 2022 AISTATS https://proceedings.mlr.press/v151/ablin22a.html conf/aistats/2022 db/conf/aistats/aistats2022.html#AblinP22