18 citations · 74 across the 23 of their papers we have counts for
4 papers · 1 filter
Conformal geometry on a class of embedded hypersurfaces in spacetimes
Abbas M. Sherif, Peter K. S. Dunsby
In this work, we study various properties of embedded hypersurfaces in decomposed spacetimes with a preferred spatial direction, denoted , which are orthogonal to the…
On some locally symmetric embedded spaces with non-negative scalar curvature and their characterization
Abbas M Sherif, Peter K S Dunsby, Rituparno Goswami
In this work we perform a general study of properties of a class of locally symmetric embedded hypersurfaces in spacetimes admitting a spacetime decomposition. The hypersur…
On the existence of marginally trapped tubes in spacetimes with local rotational symmetry
Abbas Sherif
Let be a locally rotationally symmetric spacetime with at least one of the rotation or spatial twist being non-zero. It is proved that cannot admit a non-minimal marginally…
On homothetic Killing vectors in stationary axisymmetric vacuum spacetimes
Abbas M. Sherif, Peter K. S. Dunsby, Rituparno Goswami +1
In this paper we consider homothetic Killing vectors in the class of stationary axisymmetric vacuum (SAV) spacetimes, where the components of the vectors are functions of the time…