@article{distributionallyrobustoptimizationand1, title = {Distributionally Robust Optimization and Invariant Representation Learning for Addressing Subgroup Underrepresentation: Mechanisms and Limitations}, author = {Nilesh Kumar and Ruby Shrestha and Zhiyuan Li and Linwei Wang}, year = {2023}, eprint = {2308.06434}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2308.06434v1}, }