Add to ORKGLet M be a differentiable manifold. If M has a Lorentzian metric g, that is, a symmetric nondegenerate (0,2)-type tensor field of index 1, then M is called a Lorentzian manifold. Since the Lorentzian metric g is of index 1, Lorentzian manifold M has not onl
Bochner's technique is shown to be useful on compact Lorentz manifolds. It is proved that all t...
It is shown that a homogeneous Lorentzian space for which every null- geodesic is canonically homoge...
International audienceFollowing Geroch, Traschen, Mars and Senovilla, we consider Lorentzian manifol...
We give examples of Lorentz manifolds modelled on an indecomposable Lorentz symmetric space which ar...
We investigate connections between pairs of Riemannian metrics whose sum is a (tensor) product of a ...
We prove that any non-symmetric three-dimensional homogeneous Lorentzian manifold is isometric to a ...
We completely classify three-dimensional homogeneous Lorentzian manifolds,equipped with Einstein-lik...
Recently discovered examples of Lorentz manifolds have renewed interest in the field among group the...
Abstract. In this study we consider φconformally at, φconharmonically at, φprojectively at and φco...
In this paper we will consider C ∞ differentiable, n-dimensional, pseudo-Riemannian manifolds (M, g)...
By using invariant theory we show that a (higher-dimensional) Lorentzian metric that is not characte...
In their recent paper [8], Kulharni and Raymond show that a closed 3-manifold which admits a complet...
A three-dimensional homogeneous Lorentzian manifold is either symmetric or locally isometric to a Li...
A pseudo-Riemannian manifold (M, g) is homogeneous provided that, for any points p, q ∈ M, there is ...
Sasaki manifolds admit a nowhere vanishing vector field and it is always possible to consider a Lor...
Bochner's technique is shown to be useful on compact Lorentz manifolds. It is proved that all t...
It is shown that a homogeneous Lorentzian space for which every null- geodesic is canonically homoge...
International audienceFollowing Geroch, Traschen, Mars and Senovilla, we consider Lorentzian manifol...
We give examples of Lorentz manifolds modelled on an indecomposable Lorentz symmetric space which ar...
We investigate connections between pairs of Riemannian metrics whose sum is a (tensor) product of a ...
We prove that any non-symmetric three-dimensional homogeneous Lorentzian manifold is isometric to a ...
We completely classify three-dimensional homogeneous Lorentzian manifolds,equipped with Einstein-lik...
Recently discovered examples of Lorentz manifolds have renewed interest in the field among group the...
Abstract. In this study we consider φconformally at, φconharmonically at, φprojectively at and φco...
In this paper we will consider C ∞ differentiable, n-dimensional, pseudo-Riemannian manifolds (M, g)...
By using invariant theory we show that a (higher-dimensional) Lorentzian metric that is not characte...
In their recent paper [8], Kulharni and Raymond show that a closed 3-manifold which admits a complet...
A three-dimensional homogeneous Lorentzian manifold is either symmetric or locally isometric to a Li...
A pseudo-Riemannian manifold (M, g) is homogeneous provided that, for any points p, q ∈ M, there is ...
Sasaki manifolds admit a nowhere vanishing vector field and it is always possible to consider a Lor...
Bochner's technique is shown to be useful on compact Lorentz manifolds. It is proved that all t...
It is shown that a homogeneous Lorentzian space for which every null- geodesic is canonically homoge...
International audienceFollowing Geroch, Traschen, Mars and Senovilla, we consider Lorentzian manifol...