Conformally Einstein Lorentzian Lie groups: extensions of the Euclidean and Poincar groups

CLASSICAL AND QUANTUM GRAVITY（2024）

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摘要

We describe all Lorentzian semi-direct extensions of the Euclidean and Poincare groups which are conformally Einstein.

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关键词

conformal gravity,conformally Einstein,Bach tensor,Lorentzian Lie group,plane wave

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