Four-dimensional locally homogeneous Riemannian manifolds are either locally symmetric or locally isometric to Riemannian Lie groups. We determine how and to what extent this result holds in the Lorentzian case.
Four-dimensional homogeneous Lorentzian manifolds
CALVARUSO, Giovanni;
2013-01-01
Abstract
Four-dimensional locally homogeneous Riemannian manifolds are either locally symmetric or locally isometric to Riemannian Lie groups. We determine how and to what extent this result holds in the Lorentzian case.File in questo prodotto:
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