@article{TPAMI:2026:Zhang,<br>
author={Lijun Zhang and Haomin Bai and Peng Zhao and Zhi-Hua Zhou},<br>
journal={IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI)},<br>
title={Stochastic Approximation Approaches to Group Distributionally Robust Optimization and Beyond},<br>
year={2026},<br>
volume={48},<br>
number={10},<br>
pages={12880--12891},<br>
}