Did the Universe have a beginning\?

Details Did the Universe have a beginning\? Did the Universe have a beginning\?

Sep 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvd..46.2355v&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 46, Issue 6, 15 September 1992, pp.2355-2361

Physics

34

Origin And Formation Of The Universe

Scientific paper

It is argued that ``eternal inflation'' must have a beginning in time. Conditions are formulated for a spacetime to describe an eternally inflating universe without a beginning, and it is shown that these conditions cannot be satisfied. A rigorous proof is given for a two-dimensional spacetime, and a plausibility argument for four dimensions.

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