@article{JMLR:v25:23-1075,
  author  = {Boyu Li and Robert Simon Fong and Peter Tino},
  title   = {Simple Cycle Reservoirs are Universal},
  journal = {Journal of Machine Learning Research},
  year    = {2024},
  volume  = {25},
  number  = {158},
  pages   = {1--28},
  url     = {http://jmlr.org/papers/v25/23-1075.html}
}