Conformally Einstein left-invariant metrics on four-dimensional Lie groups are reviewed, providing a complete description in the Riemannian and Lorentzian settings.

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Conformally Einstein Left-Invariant Metrics on Four-Dimensional Lie Groups

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

摘要

Conformally Einstein left-invariant metrics on four-dimensional Lie groups are reviewed, providing a complete description in the Riemannian and Lorentzian settings.