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Old 10-24-2018, 12:48 PM  
dyna mo
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This New Study Suggests Time Did Actually Exist Before The Big Bang.

Physics Letters B
Volume 778, 10 March 2018, Pages 339-343

Through the big bang: Continuing Einstein's equations beyond a cosmological singularity


"The generic nature of singularities beyond which physics cannot be deterministically continued is a cornerstone of General Relativity (GR).

This is a non-trivial prediction of the relational description; the big bang/crunch is not the end of physics – it is instead a regular point of the relational evolution. Describing our solutions as spacetimes that satisfy Einstein's equations, we find that the relational dynamical system predicts two singular solutions of GR that are connected at the hypersurface of the singularity such that relational DOFs are continuous and the orientation of the spatial frame is inverted.

The Hawking–Penrose theorems [1] show that a large class of solutions of Einstein's equations are geodesically incomplete. In cosmological settings this leads to the big bang (or crunch) – the inevitable end of classical evolution of the Lorentzian spacetime geometry. To establish this result, it is important to disentangle singularities of spacetime geometry from singular evolution."

https://www.sciencedirect.com/scienc...70269318300637
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