@article{minimaxestimationoflinearfunctionsof,
  title = {Minimax Estimation of Linear Functions of Eigenvectors in the Face of Small Eigen-Gaps},
  author = {Gen Li and Changxiao Cai and H. Vincent Poor and Yuxin Chen},
  year = {2021},
  eprint = {2104.03298},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2104.03298v2},
}