@article{eigenvaluesofthehessianindeeplearning,
  title = {Eigenvalues of the Hessian in Deep Learning: Singularity and Beyond},
  author = {Levent Sagun and Leon Bottou and Yann Lecun},
  year = {2016},
  eprint = {1611.07476},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1611.07476v2},
}