@article{directionalbiashelpsstochasticgradient,
  title = {Directional Bias Helps Stochastic Gradient Descent to Generalize in Nonparametric Model},
  author = {Yiling Luo and Xiaoming Huo and Yajun Mei},
  year = {2021},
  url = {https://openreview.net/forum?id=Zk3TwMJNj7},
}