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gr-qc2019
Quantum geometry from higher gauge theory
Seth K. Asante, Bianca Dittrich, Florian Girelli +2
Higher gauge theories play a prominent role in the construction of 4d topological invariants and have been long ago proposed as a tool for 4d quantum gravity. The Yetter lattice mo…
gr-qc2019
Holographic formulation of 3D metric gravity with finite boundaries
Seth K. Asante, Bianca Dittrich, Florian Hopfmueller
In this work we construct holographic boundary theories for linearized 3D gravity, for a general family of finite or quasi-local boundaries. These boundary theories are directly de…