@article{efficientdirectedgraphsamplingvia,
  title = {Efficient Directed Graph Sampling via Gershgorin Disc Alignment},
  author = {Yuejiang Li and Hong Vicky Zhao and Gene Cheung},
  year = {2022},
  eprint = {2210.14263},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2210.14263v1},
}