2 papers
cs.LG2025
Group Distributionally Robust Optimization with Flexible Sample Queries
Haomin Bai, Dingzhi Yu, Shuai Li +2
Group distributionally robust optimization (GDRO) aims to develop models that perform well across distributions simultaneously. Existing GDRO algorithms can only process a fixe…
math.OC2023
Efficient Stochastic Approximation of Minimax Excess Risk Optimization
Lijun Zhang, Haomin Bai, Wei-Wei Tu +2
While traditional distributionally robust optimization (DRO) aims to minimize the maximal risk over a set of distributions, Agarwal and Zhang (2022) recently proposed a variant tha…