@article{beyondindomaindetectionspikescoreforcros,
  title = {Beyond In-Domain Detection: SpikeScore for Cross-Domain Hallucination Detection},
  author = {Yongxin Deng and Zhen Fang and Sharon Li and Ling Chen},
  year = {2026},
  eprint = {2601.19245},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2601.19245},
}