@inproceedings{ICLR'26:sketchLB,
    author = {Dongxie Wen and Hanyan Yin and Xiao Zhang and Peng Zhao and Lijun Zhang and Zhewei Wei},
    title = {Revisiting Matrix Sketching in Linear Bandits: Achieving Sublinear Regret via Dyadic Block Sketching},
    booktitle = {Proceedings of the 14th International Conference on Learning Representations (ICLR)},
    year = {2026},
    pages = {86907--86942}
}