@article{hydraheadfromheadlevelfunctionalheteroge,
  title = {HydraHead: From Head-Level Functional Heterogeneity to Specialized Attention Hybridization},
  author = {Zhentao Tan and Wei Chen and Jingyi Shen and Yao Liu and Xu Shen and Yue Wu and Jieping Ye},
  year = {2026},
  eprint = {2606.20097},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.20097},
}