@article{ontheunreasonableeffectivenessoflastlaye, title = {On the Unreasonable Effectiveness of Last-layer Retraining}, author = {John C. Hill and Tyler LaBonte and Xinchen Zhang and Vidya Muthukumar}, year = {2025}, eprint = {2512.01766}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2512.01766}, }