@article{efficientmethodsfornonstationaryonline,
  title = {Efficient Methods for Non-stationary Online Learning},
  author = {Peng Zhao and Yan-Feng Xie and Lijun Zhang and Zhi-Hua Zhou},
  year = {2023},
  eprint = {2309.08911},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2309.08911v2},
}