@article{asabackbonetrainingfreerepresentationeng,
  title = {ASA: Backbone-Training-Free Representation Engineering for Tool-Calling Agents},
  author = {Youjin Wang and Run Zhou and Yingjie Ma and Rong Fu and Jiani Liang and Shuaishuai Cao and Min Huang and Tao Fang and Liangming Pan},
  year = {2026},
  eprint = {2602.04935},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2602.04935},
}