@article{identifyingfirstorderlowpassgraphsignals,
  title = {Identifying First-order Lowpass Graph Signals using Perron Frobenius Theorem},
  author = {Yiran He and Hoi-To Wai},
  year = {2021},
  eprint = {2101.07938},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2101.07938v1},
}