@article{fastandaccurateoptimizationonthe,
  title = {Fast and accurate optimization on the orthogonal manifold without retraction},
  author = {Pierre Ablin and Gabriel Peyré},
  year = {2021},
  eprint = {2102.07432},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2102.07432v2},
}