@article{whyselfattentionisnaturalforsequenceto,
  title = {Why self-attention is Natural for Sequence-to-Sequence Problems? A Perspective from Symmetries},
  author = {Chao Ma and Lexing Ying},
  year = {2022},
  eprint = {2210.06741},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2210.06741v1},
}