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The Big Bang is a Coordinate Singularity for Inflationary FLRW Spacetimes
Eric Ling
We show that the big bang is a coordinate singularity for a large class of inflationary FLRW spacetimes which we have dubbed 'Milne-like.' By introducing a new set of coor…
Existence of CMC Cauchy surfaces from a spacetime curvature condition
Gregory J. Galloway, Eric Ling
In this note we present a result establishing the existence of a compact CMC Cauchy surface from a curvature condition related to the strong energy condition.
Weakly trapped surfaces in asymptotically de Sitter spacetimes
Piotr T. Chruściel, Gregory J. Galloway, Eric Ling
It is a standard fact that trapped or marginally trapped surfaces are not visible from conformal infinity, under the usual set of conditions on matter fields and the conformal comp…
Milne-like Spacetimes and their Symmetries
Eric Ling
When developing a quantum theory for a physical system, one determines the system's symmetry group and its irreducible unitary representations. For Minkowski space, the symmetry gr…