Abstract
The problem is formulated in this article of finding all Einstein spaces in which the equations of the geodesics admit a complete separation of variables. The problem is completely solved in the case of the interval ds2=gijdxidxj i=0,...3, being quadratic in the differentials of the acyclic coordinates xν ν=2, 3, and it is shown that this kind of space can be subdivided into five classes.
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V. G. Bagrov, A. G. Meshkov, V. N. Shapovalov, and A. V. Shapovalov, Izv. Vyssh. Uchebn. Zaved., Fiz., No. 11, 66 (1973).
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V. V. Obukhov, Raper Deposited at VINTTI, Beg. No. 2446-76 Dep.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 2, pp. 73–77, February, 1977.
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Obukhov, V.V. Some classes of exact solutions of the Einstein equation. Soviet Physics Journal 20, 198–201 (1977). https://doi.org/10.1007/BF01297384
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DOI: https://doi.org/10.1007/BF01297384