@inproceedings{dualadaptivityauniversalalgorithmfor,
  title = {Dual Adaptivity: A Universal Algorithm for Minimizing the Adaptive Regret of Convex Functions},
  author = {Lijun Zhang and Guanghui Wang and Wei-Wei Tu and Zhi-Hua Zhou},
  year = {2019},
  booktitle = {NeurIPS 2021 12},
  eprint = {1906.10851},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1906.10851v2},
}