The Friedmann-Lemaitre-Robertson-Walker Big Bang singularities are well behaved

Abstract

We show that the Big Bang singularity of the Friedmann-Lemaitre-Robertson-Walker model does not raise major problems to General Relativity. We prove a theorem showing that the Einstein equation can be written in a non-singular form, which allows the extension of the spacetime before the Big Bang. The physical interpretation of the fields used is discussed. These results follow from our research on singular semi-Riemannian geometry and singular General Relativity.

arXiv comment10 pages, 5 figures

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• Pre-big bang geometric extensions of inflationary cosmologies
• The Relation between Wavefunction and 3D Space Implies Many Worlds with Local Beables and Probabilities
• An Exploration of the Singularities in General Relativity
• The Geometry of Warped Product Singularities
• Behavior of Friedmann-Lemaitre-Robertson-Walker Singularities
• Spacetime Singularities and Invariance