@article{doproportionatealgorithmsexploitsparsity,
  title = {Do Proportionate Algorithms Exploit Sparsity?},
  author = {Markus V. S. Lima and Gabriel S. Chaves and Tadeu N. Ferreira and Paulo S. R. Diniz},
  year = {2021},
  eprint = {2108.06846},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2108.06846v1},
}