@article{paraphraseinducedoutputmodecollapsewhenl,
  title = {Paraphrase-Induced Output-Mode Collapse: When LLMs Break Character Under Semantically Equivalent Inputs},
  author = {Aofan Liu and Jingxiang Meng},
  year = {2026},
  eprint = {2605.04665},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.04665},
}