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On null isotropy in spacetimes

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Abstract

Null isotropy in a spacetime is defined. The relation of null isotropy to the constant curvature and infinitesimal spatial isotropy is investigated. The influence of null isotropy on conjugate points along null geodesics and curvature singularities is investigated.

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  1. Department of Mathematics, Hacettepe University, 06532-Beytepe, Ankara, Turkey

    Fazilet Erkekoglu

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  1. Fazilet Erkekoglu
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Correspondence to Fazilet Erkekoglu.

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Erkekoglu, F. On null isotropy in spacetimes. Gen Relativ Gravit 37, 1985–1993 (2005). https://doi.org/10.1007/s10714-005-0174-0

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  • DOI: https://doi.org/10.1007/s10714-005-0174-0

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