On symmetries of generalized Robertson-Walker spacetimes and applications

The purpose of the present article is to study and characterize several types of symmetries of generalized Robertson-Walker spacetimes. Conformal vector fields, curvature and Ricci collineations are studied. Many implications for existence of these symmetries on generalized Robertson-Walker spacetimes are obtained. Finally, Ricci solitons on generalized Robertson-Walker spacetimes admitting conformal vector fields are investigated.

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Accession Number: WOS:000403708800005

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University for GEOMETRY, RIGIDITY, MANIFOLDS, VECTOR-FIELDS, CONFORMAL VECTOR-FIELDS, Ricci soliton, Robertson-Walker spacetimes, collineations, concircular vector fields, Conformal vector fields, 53C50, 53C21, 53C25

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https://www.tandfonline.com/doi/abs/10.1080/1726037X.2017.1323418

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Faculty Of Engineering Research Paper

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On symmetries of generalized Robertson-Walker spacetimes and applications

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