On pseudo Q-symmetric spacetimes
type: Item
instance of: scholarly article
title: On pseudo Q-symmetric spacetimes
zbMATH Open document ID: 1433.53029
author: Sahanous Mallick
author: Uday Chand De
published in: Analysis and Mathematical Physics
publication date: 2019-11-28T00:00:00Z
review text: In previous papers, the notions of pseudo-symmetric manifolds \((PS)_n\), pseudo \(Q\)-symmetric manifolds \((PQS)_n\) and pseudo concircular manifolds \((P\tilde CS)_n\) were introduced. In the present paper, pseudo \(Q\)-symmetric spacetimes \((PQS)_4\) are studied and it is proved that they are quasi-Einstein. Further, properties of perfect fluid \((PQS)_4\) spacetimes are studied and it is shown that \((PQS)_4\) spacetimes with cyclic parallel Ricci tensor is Einstein. Example of \((PQS)_4\) spacetimes is given.
Mathematics Subject Classification ID: 53B30
Mathematics Subject Classification ID: 35Q75
Mathematics Subject Classification ID: 53C50
Mathematics Subject Classification ID: 53C80
zbMATH DE Number: 7138545
zbMATH Keywords: Q-curvature tensor
zbMATH Keywords: cyclic-parallel tensor
zbMATH Keywords: perfect fluid spacetime
reviewed by: Zdeněk Dušek
MaRDI profile type: Publication
full work available at URL: s13324-018-0240-x
OpenAlex ID: W2809995574
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Wikidata QID: Q129647849
DOI: 10.1007/S13324-018-0240-X
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description: scientific article; zbMATH DE number 7138545