@article{acharacterizationofmulticlasslearnabilit,
  title = {A Characterization of Multiclass Learnability},
  author = {Nataly Brukhim and Daniel Carmon and Irit Dinur and Shay Moran and Amir Yehudayoff},
  year = {2022},
  eprint = {2203.01550},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2203.01550v1},
}