@article{concavecertificatesgeometricframeworkfor,
  title = {Concave Certificates: Geometric Framework for Distributionally Robust Risk and Complexity Analysis},
  author = {Hong T. M. Chu},
  year = {2026},
  eprint = {2601.01311},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2601.01311},
}