@article{theartofmixologymixupbasedobfuscationfor, title = {The Art of Mixology: Mixup-based Obfuscation for Privacy-Preserving Split Learning in Large Language Models}, author = {Chen Chen and Xiang Gao and Xianshun Wang and Chengran Li and Shengyu Xia and Xueluan Gong and Linru Zhang and Qian Wang and Kwok-Yan Lam}, year = {2026}, eprint = {2606.16801}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2606.16801}, }