Certain types of GRW-spacetimes
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DOI: 10.1016/s0034-4877(21)00044-6
Abstract: The object of the present paper is to investigate D-homothetically deformed (CS)4-spacetime (or GRW-spacetime) satisfying different semi-symmetric conditions, based on the equivalence, proved by Shaikh and Kundu, of the mentioned above structures. read more here.
Keywords: certain types; grw spacetimes; types grw;
Generalized Ricci recurrent spacetimes and GRW spacetimes
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DOI: 10.1142/s0219887821502091
Abstract: The main goal of this paper is to study the properties of generalized Ricci recurrent perfect fluid spacetimes and the generalized Ricci recurrent (generalized Robertson–Walker (GRW)) spacetimes. It is proven that if the generalized Ricci… read more here.
Keywords: ricci recurrent; generalized ricci; perfect fluid; grw spacetimes ... See more keywords