@misc{approximation-rank-softmax-attention,
  title = {The Approximation Rank of Softmax Attention: Sharp Geometric Laws and Robust Interaction Dimension},
  author = {Yuhe Sui and Jianing Zhang},
  year = {2026},
  note = {arXiv; preprint},
  url = {https://arxiv.org/abs/2608.28150}
}