@article{fastsparsepcaviapositivesemidefinite,
  title = {Fast Sparse PCA via Positive Semidefinite Projection for Unsupervised Feature Selection},
  author = {Junjing Zheng and Xinyu Zhang and Yongxiang Liu and Weidong Jiang and Kai Huo and Li Liu},
  year = {2023},
  eprint = {2309.06202},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2309.06202v1},
}