Revista de la
Unión Matemática Argentina
The isometry groups of Lorentzian three-dimensional unimodular simply connected Lie groups
Mohamed Boucetta and Abdelmounaim Chakkar
Volume 63, no. 2 (2022), pp. 353–378    

https://doi.org/10.33044/revuma.2021

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Abstract

We determine the isometry groups of all three-dimensional, connected, simply connected and unimodular Lie groups endowed with a left-invariant Lorentzian metric.

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