Abstract
It is emphasized that the Eisenhart lift applied to integrable systems in pseudo–Euclidean space may result in Ricci–flat metrics of ultrahyperbolic signature which admit higher rank Killing tensors.
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Galajinsky, A. Eisenhart lift in pseudo–Euclidean space and higher rank killing tensors. Phys. Part. Nuclei Lett. 14, 328–330 (2017). https://doi.org/10.1134/S154747711702011X
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DOI: https://doi.org/10.1134/S154747711702011X