@article{onnoisynegativecurvaturedescentcompeting,
  title = {On Noisy Negative Curvature Descent: Competing with Gradient Descent for Faster Non-convex Optimization},
  author = {Mingrui Liu and Tianbao Yang},
  year = {2017},
  eprint = {1709.08571},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1709.08571v2},
}