@article{learningdeeplinearneuralnetworks,
  title = {Learning deep linear neural networks: Riemannian gradient flows and convergence to global minimizers},
  author = {Bubacarr Bah and Holger Rauhut and Ulrich Terstiege and Michael Westdickenberg},
  year = {2019},
  eprint = {1910.05505},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1910.05505v5},
}