coincidence? the weirdness continues
10 Sep 2025What possibilities are there for the Einstein-Hilbert-action \(S = \int\mathrm{d}^4x\:\sqrt{-\mathrm{det}g}\:\left(R - 2\Lambda\right)\) for a FLRW-universe to vanish?
What possibilities are there for the Einstein-Hilbert-action \(S = \int\mathrm{d}^4x\:\sqrt{-\mathrm{det}g}\:\left(R - 2\Lambda\right)\) for a FLRW-universe to vanish?