@article{differentiallyprivatehighdimensional,
  title = {Differentially Private High Dimensional Sparse Covariance Matrix Estimation},
  author = {Di Wang and Jinhui Xu},
  year = {2019},
  eprint = {1901.06413},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1901.06413v2},
}