Beyond Minimax Rates in Group Distributionally Robust Optimization via a Novel Notion of Sparsity

Quan Nguyen, Nishant A. Mehta, Cristóbal Guzmán
2/14/2026

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@article{nguyen2026beyond,
  title  = {Beyond Minimax Rates in Group Distributionally Robust Optimization via a Novel Notion of Sparsity},
  author = {Quan Nguyen and Nishant A. Mehta and Cristóbal Guzmán},
  year   = {2026},
  url    = {https://api.semanticscholar.org/CorpusID:73a91186ae8a7ded4c48a9fb0f432cc58375ff33},
  journal = {ICML 2025 2025}
}

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