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hep-th2026
Area metric gravity à la Plebanski: connection, curvature and dynamics
Bianca Dittrich
Area metrics arise as effective description at intermediate scales in a number of approaches to quantum gravity, including string theory, holography and loop quantum gravity. Recen…
gr-qc2026
Causal structure and light-conical singularities in Lorentzian simplicial quantum gravity
Bianca Dittrich, José Padua-Argüelles
The definition of a Lorentzian gravitational path integral requires specifying which causal struc- tures are admitted off shell. Of particular importance are light-conical singular…
hep-th2026
Gravitational wave signatures from area metric gravity
Bianca Dittrich
Area metric theories have been proposed as effective descriptions in a number of quantum gravity approaches: as continuum limit of effective spin foams, as an effective description…