@article{riemannianbaseddiscriminantanalysisfor,
  title = {Riemannian Manifold Optimization for Discriminant Subspace Learning},
  author = {Wanguang Yin and Zhengming Ma and Quanying Liu},
  year = {2021},
  eprint = {2101.08032},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2101.08032v3},
}