Lorentzian manifolds

Results: 139



#Item
21Theoretical physics / Lorentzian manifolds / Physics / Differential geometry / Bernhard Riemann / Riemannian geometry / Curvature / Exact solutions in general relativity / Pseudo-Riemannian manifold / Metric tensor / Ricci curvature / Minkowski space

Santiago de Compostela, 8 FebruaryLorentzian metrics: prescribed scalar curvature and energy conditions Marc Nardmann

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Source URL: xtsunxet.usc.es

Language: English - Date: 2007-03-09 06:08:44
22Geometry / Riemannian geometry / Differential geometry / Mathematics / Curvature / Sectional curvature / Sasakian manifold / Connection / Ricci curvature / Cartan connection

Preliminaries Purpose Results Questions Lorentzian Sasakian manifolds with constant

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Source URL: galia.fc.uaslp.mx

Language: English - Date: 2012-02-25 17:25:24
23Geometry / Theory of relativity / Physics / Theoretical physics / General relativity / Globally hyperbolic manifold / Spacetime / Differential geometry of surfaces / Lorentzian manifolds / -hyperbolic space / Geodesic / Causality conditions

On the existence of geodesics on globally hyperbolic spacetimes with a lightlike Killing vector field Rossella Bartolo Dipartimento di Meccanica, Matematica e Management Politecnico di Bari

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Source URL: gigda.ugr.es

Language: English - Date: 2014-09-17 04:24:09
24

Recently ( arXiv:1101.5503v1 ) we have characterized the second-order symmetric Lorentzian manifolds (i.e., those which satisfy ∇2 Rie = 0). In particular, all the complete simply-connected non-locally symmetric ones c

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Source URL: gigda.ugr.es

- Date: 2011-10-21 04:10:12
    25Theoretical physics / Physics / Differential geometry / Geometry / Dynamical systems / Theory of relativity / Lorentzian manifolds / Closed geodesic / Differential geometry of surfaces / Geodesic / Spacetime / Pseudo-Riemannian manifold

    Closed Geodesics in Lorentzian Surfaces Stefan Suhr April 25, 2011 Email: G. Galloway proved in [1] that every closed Lorentzian surface contains at least one closed timelike or null geodesic. From the

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    Source URL: gigda.ugr.es

    Language: English - Date: 2011-10-21 04:10:12
    26Geometry / Theoretical physics / Differential geometry / Riemannian geometry / Bernhard Riemann / Curvature / Pseudo-Riemannian manifold / Symmetric space / Riemannian manifold / Metric tensor / Riemann curvature tensor / Manifold

    Characterization and structure of second-order symmetric Lorentzian manifolds Oihane F. Blanco, M. S´anchez and J.M.M. Senovilla VI International Meeting on Lorentzian Geometry, Granada 2011 Granada (Spain)

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    Source URL: gigda.ugr.es

    Language: English - Date: 2011-10-21 04:10:12
    27Lorentzian manifolds / Theoretical physics / Differential geometry / Geometry / Bernhard Riemann / Pseudo-Riemannian manifold / Manifold / Riemannian geometry / Curvature invariant / Causal sets

    Conformally at homogeneous Lorentzian manifolds Kazumi Tsukada O hanomizu University This is a joint work with Kyoko Honda (O hanomizu University). We onsider the problem to lassify onformally at homogeneous semiRi

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    Source URL: gigda.ugr.es

    Language: English - Date: 2011-10-21 04:10:12
    28Theoretical physics / Physics / General relativity / Exact solutions in general relativity / Theory of relativity / Lorentzian manifolds / Gdel metric / Metric tensor / Spacetime / Kurt Gdel / Congruence / Van Stockum dust

    Condition for the absence of timelike closed curves How to find new Lorentzian metrics? Comments on spacetime kinematics First example: Metrics with vanishing shear tensor Second example: Gödel metric Third example: Gen

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    Source URL: xtsunxet.usc.es

    Language: English - Date: 2007-03-09 06:09:06
    29Bernhard Riemann / Lorentzian manifolds / Geometry / Smooth manifolds / Theoretical physics / Riemannian geometry / Differential geometry of surfaces / Geodesic / Differential topology / Invariant / Pseudo-Riemannian manifold / Differential geometry

    Space of geodesics of pseudo-Riemannian space forms and normal congruences of hypersurfaces Henri Anciaux Instituto de Matem´ atica e Estat´ıstica, Universidade de S˜ ao Paulo

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    Source URL: gigda.ugr.es

    Language: English - Date: 2011-10-21 04:10:12
    30Lie groups / Geometry / Mathematics / Differential geometry / Space / Riemannian manifold / Lie algebra / Homogeneous space / Symmetric space / Hermitian symmetric space

    IV International Meeting on Lorentzian Geometry Santiago de Compostela, February 5-8, 2007 On the geometry of three-dimensional homogeneous Lorentz manifolds

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    Source URL: xtsunxet.usc.es

    Language: English - Date: 2007-03-09 06:06:54
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