@inproceedings{JMLR:2025:Zhang,

author = {Lijun Zhang and Yibo Wang and Guanghui Wang and Jinfeng Yi and Tianbao Yang},

title = {Universal Online Convex Optimization Meets Second-order Bounds},

booktitle = {Journal of Machine Learning Research (JMLR)},

pages = {1--53},

volume = {26},

number = {152},

year = {2025},

}