@article{classificationheadbiasinclasslevelmachin,
  title = {Classification-Head Bias in Class-Level Machine Unlearning: Diagnosis, Mitigation, and Evaluation},
  author = {Weidong Zheng and Kongyang Chen and Yuanwei Guo and Yatie Xiao},
  year = {2026},
  eprint = {2605.08730},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.08730},
}