A note on generalized weakly ℋ-symmetric manifolds and relativistic applications
Sameh Shenawy,
Nasser Bin Turki,
Carlo Mantica
Abstract:In this work, generalized weakly [Formula: see text]-symmetric space-times (GWHS)[Formula: see text] are investigated, where [Formula: see text] is any symmetric [Formula: see text] tensor. It is proved that, in a nontrivial (GWHS)[Formula: see text] space-time, the tensor [Formula: see text] has a perfect fluid form. Accordingly, sufficient conditions for a nontrivial generalized weakly Ricci symmetric space-time (GWRS)[Formula: see text] to be either an Einstein space-time or a perfect fluid space-time are o… Show more
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