2 papers
hep-th2026
A universal sum over topologies in 3d gravity
Alexandre Belin, Scott Collier, Lorenz Eberhardt +2
We explore the sum over topologies in AdS quantum gravity and its relationship with the statistical interpretation of the boundary theory. We formulate a statistical version of…
hep-th2026
Baby Universes in AdS
Alexandre Belin, Jan de Boer
We discuss Euclidean geometries in AdS whose Lorentzian slicing gives rise to closed baby universes with a spatial geometry given by genus surfaces. Our setup only in…