Black holes, hidden symmetries, and complete integrability

@article{Frolov2017BlackHH,
  title={Black holes, hidden symmetries, and complete integrability},
  author={Valeri P. Frolov and Pavel Krtou{\vs} and David Kubizň{\'a}k},
  journal={Living Reviews in Relativity},
  year={2017},
  volume={20}
}
The study of higher-dimensional black holes is a subject which has recently attracted vast interest. Perhaps one of the most surprising discoveries is a realization that the properties of higher-dimensional black holes with the spherical horizon topology and described by the Kerr–NUT–(A)dS metrics are very similar to the properties of the well known four-dimensional Kerr metric. This remarkable result stems from the existence of a single object called the principal tensor. In our review we… 

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