@inproceedings{COLT'26:LightONS,
    author = {Yi-Han Wang and Peng Zhao and Zhi-Hua Zhou},
    title = {A Simple, Optimal and Efficient Algorithm for Online Exp-Concave Optimization},
    booktitle = {Proceedings of the 39th Annual Conference on Learning Theory (COLT)},
    year = {2026},
    pages = {6651--6691}
}