@article{howhardcanitbehardnessawaremultiobjectiv,
  title = {How Hard Can It Be? Hardness-Aware Multi-Objective Unlearning},
  author = {Jiangwei Chen and Xinyuan Niu and Rachael Hwee Ling Sim and Zhengyuan Liu and Nancy F. Chen and Bryan Kian Hsiang Low},
  year = {2026},
  eprint = {2606.02119},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.02119},
}