Letters in Mathematical Physics

, Volume 75, Issue 3, pp 209–212 | Cite as

Homogeneous Lorentzian Spaces Whose Null-geodesics are Canonically Homogeneous

Article
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Abstract

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 \(\mathcal{T}_{1}\oplus\mathcal{T}_{3}\).

Mathematics Subject Classifications (2000)

22F30 53C22 53C50 

Keywords

Homogeneous spaces null-geodesics Lorentzian signature 
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Copyright information

© Springer 2006

Authors and Affiliations

  1. 1.Physics Department, TheoryCERNGenevaSwitzerland

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