@article{datacollaborationanalysisovermatrix,
  title = {Data Collaboration Analysis with Orthonormal Basis Selection and Alignment},
  author = {Keiyu Nosaka and Yuichi Takano and Akiko Yoshise},
  year = {2024},
  eprint = {2403.02780},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2403.02780v4},
}