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math.DG2017
Curvature properties of a special type of pure radiation metrics
Absos Ali Shaikh, Haradhan Kundu, Musavvir Ali +1
A spacetime denotes a pure radiation field if its energy momentum tensor represents a situation in which all the energy is transported in one direction with the speed of light. In…
math.DG2017★ 2 cited
Curvature properties of Robinson-Trautman metric
Absos Ali Shaikh, Musavvir Ali, Zafar Ahsan
The curvature properties of Robinson-Trautman metric have been investigated. It is shown that Robinson-Trautman metric admits several kinds of pseudosymmetric type structures such…
math.DG2015
Curvature Tensor for the Spacetime of General Relativity
Zafar Ahsan, Musavvir Ali
In the differential geometry of certain F-structures, the role of W-curvature tensor is very well known. A detailed study of this tensor has been made on the spacetime of general r…