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Gravitational multipole moments for asymptotically de Sitter spacetimes
Sumanta Chakraborty, Sk Jahanur Hoque, Roberto Oliveri
We provide a prescription to compute the gravitational multipole moments of compact objects for asymptotically de Sitter spacetimes. Our prescription builds upon a recent definitio…
Extended corner symmetry, charge bracket and Einstein's equations
Laurent Freidel, Roberto Oliveri, Daniele Pranzetti +1
We develop the covariant phase space formalism allowing for non-vanishing flux, anomalies and field dependence in the vector field generators. We construct a charge bracket that ge…
The Weyl BMS group and Einstein's equations
Laurent Freidel, Roberto Oliveri, Daniele Pranzetti +1
We propose an extension of the BMS group, which we refer to as Weyl BMS or BMSW for short, that includes, besides super-translations, local Weyl rescalings and arbitrary diffeomorp…