@article{thepoweroffactorizationmechanismsin,
  title = {The Power of Factorization Mechanisms in Local and Central Differential Privacy},
  author = {Alexander Edmonds and Aleksandar Nikolov and Jonathan Ullman},
  year = {2019},
  eprint = {1911.08339},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1911.08339v1},
}