(October 25, 2022 at 8:51 am)polymath257 Wrote: For compact spacetime (finite, negatively curved), this is possible and gives a 'total energy' of zero. For non-compact space, this is still a problematic thing.
The cosmological constant corresponds to a non-zero vacuum energy, which causes an acceleration in the expansion, and the total of this energy is integrated over the (increasing) volume of the universe. Money for nothing and chicks for free.
