45 citations · 45 across the 1 of their papers we have counts for
3 papers
hep-th2019
Gauge Gauge on Spheres
L. Borsten, I Jubb, V. Makwana +1
We introduce a convolution on a 2-sphere and use it to show that the linearised Becchi-Rouet-Stora-Tyutin transformations and gauge fixing conditions of Einstein-Hilbert gravity co…
gr-qc2019
Horizon Molecules in Causal Set Theory
Christopher Barton, Andrew Counsell, Fay Dowker +3
We propose a new definition of "horizon molecules" in Causal Set Theory following pioneering work by Dou and Sorkin. The new concept applies for any causal horizon and its intersec…
gr-qc2017★ 45 cited
Boundary and Corner Terms in the Action for General Relativity
Ian Jubb, Joseph Samuel, Rafael Sorkin +1
We revisit the action principle for general relativity motivated by the path integral approach to quantum gravity. We consider a spacetime region whose boundary has piecewise …