@article{equivalenceofquantumbarrenplateausto,
  title = {Equivalence of quantum barren plateaus to cost concentration and narrow gorges},
  author = {Andrew Arrasmith and Zoë Holmes and M. Cerezo and Patrick J. Coles},
  year = {2021},
  eprint = {2104.05868},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2104.05868v2},
}