@article{clifftokensidentifyingsingletokenfailure,
  title = {Cliff Tokens: Identifying Single-Token Failure Triggers in LLM Mathematical Reasoning},
  author = {Jaeyong Ko and Pilsung Kang and Yukyung Lee},
  year = {2026},
  eprint = {2606.25524},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.25524},
}