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hep-th2026
Projecting Gravitational Fluctuations onto Near-Horizon Throats
Alejandro Cabo-Bizet, Vasil Dimitrov, Dario Martelli +1
We show that, for stationary geometries whose linearized fluctuation equations separate into radial and angular Heun equations, a pair of diffeomorphisms projects the full problem…
hep-th2026
Half-Spacetime Gauging of 2-Group Symmetry in 3d
Davide Bason, Wei Cui, Lorenzo Ruggeri
We construct a class of non-invertible duality defects, in (2+1)d quantum field theories, arising from half-spacetime gauging of a 2-group symmetry. Starting from a parent theory w…