It is shown that a homogeneous Lorentzian space for which every null- geodesic is canonically homogeneous, admits a non-vanishing homogeneous Lorentzian structure belonging to the class T/sub 1 /circled +T/sub 3/
In their recent paper [8], Kulharni and Raymond show that a closed 3-manifold which admits a complet...
We consider three-dimensional unimodular Lie groups equipped with a Lorentzian metric and we determ...
summary:In this paper we consider special examples of homogeneous spaces of arbitrary odd dimension ...
We show that a Lorentzian homogeneous space admitting a homogeneous structure of type T1 + T3 is eit...
We prove that any non-symmetric three-dimensional homogeneous Lorentzian manifold is isometric to a ...
We determine, for all three-dimensional non-unimodular Lie groups equipped with a Lorentzian metric...
A pseudo-Riemannian manifold (M, g) is homogeneous provided that, for any points p, q ∈ M, there is ...
We prove that all geodesics of homogeneous Gödel-type metrics are homogeneous. This result makes nat...
We give examples of Lorentz manifolds modelled on an indecomposable Lorentz symmetric space which ar...
For the Levichev homogeneous spacetimes of type 2a on the Gödel group, the homogeneous Lorentzian s...
A. Z. Petrov gave a complete list of all local group actions on a four-dimensional space-time that a...
summary:We study conformally flat Lorentzian three-manifolds which are either semi-symmetric or pseu...
Abstract. We study conformally flat Lorentzian three-manifolds which are either semi-symmetric or ps...
We revisit the classification of Lorentz homogeneous spaces of dimension 3, fixing statements in the...
We study three-dimensional curvature homogeneous Lorentzian manifolds. We prove that for all Segre t...
In their recent paper [8], Kulharni and Raymond show that a closed 3-manifold which admits a complet...
We consider three-dimensional unimodular Lie groups equipped with a Lorentzian metric and we determ...
summary:In this paper we consider special examples of homogeneous spaces of arbitrary odd dimension ...
We show that a Lorentzian homogeneous space admitting a homogeneous structure of type T1 + T3 is eit...
We prove that any non-symmetric three-dimensional homogeneous Lorentzian manifold is isometric to a ...
We determine, for all three-dimensional non-unimodular Lie groups equipped with a Lorentzian metric...
A pseudo-Riemannian manifold (M, g) is homogeneous provided that, for any points p, q ∈ M, there is ...
We prove that all geodesics of homogeneous Gödel-type metrics are homogeneous. This result makes nat...
We give examples of Lorentz manifolds modelled on an indecomposable Lorentz symmetric space which ar...
For the Levichev homogeneous spacetimes of type 2a on the Gödel group, the homogeneous Lorentzian s...
A. Z. Petrov gave a complete list of all local group actions on a four-dimensional space-time that a...
summary:We study conformally flat Lorentzian three-manifolds which are either semi-symmetric or pseu...
Abstract. We study conformally flat Lorentzian three-manifolds which are either semi-symmetric or ps...
We revisit the classification of Lorentz homogeneous spaces of dimension 3, fixing statements in the...
We study three-dimensional curvature homogeneous Lorentzian manifolds. We prove that for all Segre t...
In their recent paper [8], Kulharni and Raymond show that a closed 3-manifold which admits a complet...
We consider three-dimensional unimodular Lie groups equipped with a Lorentzian metric and we determ...
summary:In this paper we consider special examples of homogeneous spaces of arbitrary odd dimension ...
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