Geodesic
A Study of Conformally Flat Quasi-Einstein Spacetimes with Applications in General Relativity
Kragujevac Journal of Mathematics, Tome 45 (2021) no. 3, p. 477 .

Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

In this paper we consider conformally flat $(QE)_4$ spacetime and obtained several important results. We study application of conformally flat $(QE)_4$ spacetime in general relativity and Ricci soliton structure in a conformally flat $(QE)_4$ perfect fluid spacetime.
Classification : 53C15 53C25
Keywords: Quasi-Einstein spacetime, perfect fluid spacetime, Einstein field equation, energy momentum tensor, Ricci solitons, conformal curvature tensor 
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     author = {Venkatesha  and Aruna Kumara},
     title = {A {Study} of {Conformally} {Flat} {Quasi-Einstein} {Spacetimes} with {Applications} in {General} {Relativity}},
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Venkatesha ; Aruna Kumara. A Study of Conformally Flat Quasi-Einstein Spacetimes with Applications in General Relativity. Kragujevac Journal of Mathematics, Tome 45 (2021) no. 3, p. 477 . http://geodesic.mathdoc.fr/item/KJM_2021_45_3_a11/