@article{JMLR:v20:18-674,
  author  = {Luca Venturi and Afonso S. Bandeira and Joan Bruna},
  title   = {Spurious Valleys in One-hidden-layer Neural Network Optimization Landscapes},
  journal = {Journal of Machine Learning Research},
  year    = {2019},
  volume  = {20},
  number  = {133},
  pages   = {1--34},
  url     = {http://jmlr.org/papers/v20/18-674.html}
}