2 papers
gr-qc2025
Foundational Structure of Local Amplitudes in Quantum Gravity
Charalampos Theofilis, Wolfgang Wieland
There has been recently renewed interest in the quantisation of gravity by considering local subsystems on light-like hypersurfaces. The main purpose of this paper is to present a…
gr-qc2023
Geometry Transition in Spinfoams
Marios Christodoulou, Fabio D'Ambrosio, Charalampos Theofilis
We show how the fixed-spin asymptotics of the EPRL model can be used to perform the spin-sum for spin foam amplitudes defined on fixed two-complexes without interior faces and cont…