@article{horizontalandverticalattentionin,
  title = {Horizontal and Vertical Attention in Transformers},
  author = {Litao Yu and Jian Zhang},
  year = {2022},
  eprint = {2207.04399},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2207.04399v1},
}