@article{verbalizingllmshigherorderuncertaintyvia,
  title = {Verbalizing LLM's Higher-order Uncertainty via Imprecise Probabilities},
  author = {Anita Yang and Krikamol Muandet and Michele Caprio and Siu Lun Chau and Masaki Adachi},
  year = {2026},
  eprint = {2603.10396},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.10396},
}