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- W3048692720 abstract "In this article we prove that a certain class of {it smooth} Sasakian manifolds admits lifts to 4-dimensional quasi-Einstein shearfree spacetimes of Petrov type II or D. This is related to an analogous result by Hill, Lewandowski and Nurowski cite{HLN} for general {it real-analytic} CR manifolds. In particular, this holds for all tubular CR manifolds. Furthermore, we show that any Sasakian manifold with underlying Kahler-Einstein manifold with non-zero Einstein constant has a lift to a shearfree Einstein metric of Petrov type II or D." @default.
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- W3048692720 date "2020-08-13" @default.
- W3048692720 modified "2023-09-27" @default.
- W3048692720 title "On a construction of quasi-Einstein shearfree spacetimes" @default.
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