Explicit descriptions of all nontrivial conformally Einstein left-invariant Lorentzian metrics on four-dimensional Lie groups are given.

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Conformally Einstein Lorentzian Lie Groups

  • Esteban Calviño-Louzao,
  • Eduardo García-Río,
  • Ixchel Dzohara Gutiérrez-Rodríguez,
  • Ramón Vázquez-Lorenzo

摘要

Explicit descriptions of all nontrivial conformally Einstein left-invariant Lorentzian metrics on four-dimensional Lie groups are given.