@inproceedings{pureandspuriouscriticalpointsageometric,
  title = {Pure and Spurious Critical Points: a Geometric Study of Linear Networks},
  author = {Matthew Trager and Kathlén Kohn and Joan Bruna},
  year = {2019},
  booktitle = {ICLR 2020 1},
  eprint = {1910.01671},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1910.01671v2},
}