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gr-qc2026
Sultana--Dyer Black Hole Spacetime and -Almost Yamabe Solitons
Absos Ali Shaikh, Kamiruzzaman
This paper investigates Yamabe-type soliton structures on the Sultana-Dyer (SD) black-hole spacetime. By employing the explicit metric and curvature quantities associated with the…
math.GM2026
Pseudosymmetry, Ricci soliton and Curvature Inheritance symmetries of Friedmann Lemaître Robertson Walker spacetime
Absos Ali Shaikh, Kamiruzzaman
The Friedmann--Lemaître--Robertson--Walker (FLRW) spacetime, which was first proposed by Friedmann (1922--1924) and Lemaître (1927) and subsequently developed by Robertson and Walk…
math.DG2026
On triviality and scalar curvature estimation of gradient h-almost Yamabe solitons
Absos Ali Shaikh, Ananya Tripathi
In this study we have explored gradient -almost Yamabe solitons on both compact and complete non-compact Riemannian manifolds. We have established several sufficient conditions…