@article{adecompositionframeworkforcertifiablyopt,
  title = {A Decomposition Framework for Certifiably Optimal Orthogonal Sparse PCA},
  author = {Difei Cheng and Qiao Hu},
  year = {2026},
  eprint = {2603.01144},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.01144},
}