130 citations · 231 across the 7 of their papers we have counts for
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The Existence of Einstein Static Universes and their Stability in Fourth order Theories of Gravity
Rituparno Goswami, Naureen Goheer, Peter K. S. Dunsby
We investigate whether or not an Einstein Static universe is a solution to the cosmological equations in gravity. It is found that only one class of theories admits a…
Gravitational collapse of dustlike matter with heat flux
Rituparno Goswami
We present a new class of solutions to Einstein equations for the spherical collapse of dustlike matter coupled with heat flux. In this family of solutions spacetime shear is neces…
Surface Geometry of 5D Black Holes and Black Rings
Valeri P. Frolov, Rituparno Goswami
We discuss geometrical properties of the horizon surface of five-dimensional rotating black holes and black rings. Geometrical invariants characterizing these 3D geometries are cal…
A resolution of spacetime singularity and black hole paradoxes through avoidance of trapped surface formation in Einstein gravity
Rituparno Goswami, Pankaj S. Joshi
The occurrence of a spacetime singularity indicates the breakdown of Einstein gravitation theory in these extreme regimes. We consider here the singularity issue and various black…
A black hole mass threshold from non-singular quantum gravitational collapse
Martin Bojowald, Rituparno Goswami, Roy Maartens +1
Quantum gravity is expected to remove the classical singularity that arises as the end-state of gravitational collapse. To investigate this, we work with a toy model of a collapsin…
Naked Singularity formation in scalar field collapse
Rituparno Goswami, Pankaj S Joshi
We construct here a class of collapsing scalar field models with a non-zero potential, which result in a naked singularity as collapse end state. The weak energy condition is satis…