@article{unlabeledsamplecompressionschemesand,
  title = {Unlabeled sample compression schemes and corner peelings for ample and maximum classes},
  author = {Jérémie Chalopin and Victor Chepoi and Shay Moran and Manfred K. Warmuth},
  year = {2018},
  eprint = {1812.02099},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1812.02099v2},
}