Posted: Jan 19, 2018 4:36 pm
by Thommo
Just posting this quite interesting looking paper (I found it from this blog) here for anyone who wants it:-

https://arxiv.org/pdf/1309.1487.pdf

I also found a couple of pages about violations of energy conservation in GR, one by Sean Caroll that might be worth a read:-

http://www.preposterousuniverse.com/blo ... conserved/

http://math.ucr.edu/home/baez/physics/R ... gy_gr.html