Indexed on: 10 Dec '07Published on: 10 Dec '07Published in: General Relativity and Quantum Cosmology
A new type of singularity theorem, based on spatial averages of physical quantities, is presented and discussed. Alternatively, the results inform us of when a spacetime can be singularity-free. This theorem provides a decisive observational difference between singular and non-singular, globally hyperbolic, open cosmological models.