@article{butterflynet2simplifiedbutterflynetand,
  title = {Butterfly-Net2: Simplified Butterfly-Net and Fourier Transform Initialization},
  author = {Zhongshu Xu and Yingzhou Li and Xiuyuan Cheng},
  year = {2019},
  eprint = {1912.04154},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1912.04154v3},
}