@article{flexformerflexiblelineartransformerwithl,
  title = {Flexformer: Flexible Linear Transformer with Learnable Attention Kernel},
  author = {Haoran Zhang and Feng Zhou},
  year = {2026},
  eprint = {2606.27748},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.27748},
}