@article{atheoryoflocallearningthelearning,
  title = {A Theory of Local Learning, the Learning Channel, and the Optimality of Backpropagation},
  author = {Pierre Baldi and Peter Sadowski},
  year = {2015},
  eprint = {1506.06472},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1506.06472v2},
}