@article{multiclasslearnabilitybeyondthepac,
  title = {Multiclass Learnability Beyond the PAC Framework: Universal Rates and Partial Concept Classes},
  author = {Alkis Kalavasis and Grigoris Velegkas and Amin Karbasi},
  year = {2022},
  eprint = {2210.02297},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2210.02297v3},
}