Cosmological Spacetimes with $Λ> 0$

Details Cosmological Spacetimes with $Λ> 0$ Cosmological Spacetimes with $Λ> 0$

2004-07-27

arxiv.org/abs/gr-qc/0407100v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

14 pages, 4 figures; based on a talk given at the Beemfest in May, 2003; to appear in Contemporary Mathematics

Scientific paper

We discuss some global properties of cosmological spacetimes of de Sitter
type, based on results with Lars Andersson obtained in hep-th/0202161. We
relate the geometry and topology of conformal infinity to the occurrence of
singularities in such spacetimes, thereby extending to a much broader context
certain properties of some well-known cosmological models.

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