@article{patternattentiontransformerwithdoughnut,
  title = {Pattern Attention Transformer with Doughnut Kernel},
  author = {Wenyuan Sheng},
  year = {2022},
  eprint = {2211.16961},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2211.16961v5},
}