@inproceedings{constantregretgeneralizedmixabilityand,
  title = {Constant Regret, Generalized Mixability, and Mirror Descent},
  author = {Zakaria Mhammedi and Robert C. Williamson},
  year = {2018},
  booktitle = {NeurIPS 2018 12},
  eprint = {1802.06965},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1802.06965v3},
}