@article{gradientdescentconvergestominimizers,
  title = {Gradient Descent Converges to Minimizers},
  author = {Jason D. Lee and Max Simchowitz and Michael. I. Jordan and Benjamin Recht},
  year = {2016},
  eprint = {1602.04915},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1602.04915v2},
}