@article{theunlearnabilityphenomenoninrlvrforlang,
  title = {The Unlearnability Phenomenon in RLVR for Language Models},
  author = {Yulin Chen and He He and Chen Zhao},
  year = {2026},
  eprint = {2605.16787},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.16787},
}