@article{properaprogressivelearningframeworkfor,
  title = {PROPER: A Progressive Learning Framework for Personalized Large Language Models with Group-Level Adaptation},
  author = {Linhai Zhang and Jialong Wu and Deyu Zhou and Yulan He},
  year = {2025},
  eprint = {2503.01303},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2503.01303v1},
}