@inproceedings{NeurIPS'20:Sword,
    author = {Peng Zhao and Yu-Jie Zhang and Lijun Zhang and Zhi-Hua Zhou},
    title = {Dynamic Regret of Convex and Smooth Functions},
    booktitle = {Advances in Neural Information Processing Systems 33 (NeurIPS)},
    year = {2020},
    pages = {12510--12520}
}