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gr-qc2023
Horizons that Gyre and Gimble: A Differential Characterization of Null Hypersurfaces
Samuel Blitz, David McNutt
Motivated by the thermodynamics of black hole solutions conformal to stationary solutions, we study the geometric invariant theory of null hypersurfaces. It is well-known that a nu…
math.DG2023
The Dirichlet-to-Neumann Map for Poincaré-Einstein Fillings
Samuel Blitz, A. Rod Gover, Jarosław Kopiński +1
We study the non-linear Dirichlet-to-Neumann map for the Poincaré-Einstein filling problem. For even dimensional manifolds the range of this non-local map is described in terms of…