@article{reinforcementlearningfinetunessmall,
  title = {Reinforcement Learning Finetunes Small Subnetworks in Large Language Models},
  author = {Sagnik Mukherjee and Lifan Yuan and Dilek Hakkani-Tur and Hao Peng},
  year = {2025},
  eprint = {2505.11711},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2505.11711v1},
}