@article{informativelabelmissingnessinmulticlassc,
  title = {Informative Label Missingness in Multiclass Classification Information Geometry and Excess Risk},
  author = {Fariborz Setoudehtazang and Geoffrey J. McLachlan},
  year = {2026},
  eprint = {2608.30561},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.30561},
}