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gr-qc2024★ 7 cited
Bounds for Lyapunov exponent of circular light orbits in black holes
Emanuel Gallo, Thomas Mädler
Chaotic systems near black holes satisfy a universal bound, linking the Lyapunov coefficient associated with unstable orbits to surface gravity of the event h…
gr-qc2024
Apparent horizon tracking in supercritical solutions of the Einstein-scalar field equations in spherical symmetry in affine-null coordinates
Thomas Mädler, Olaf Baake, Hamideh Hosseini +1
Choptuik's critical phenomena in general relativity is revisited in the affine-null metric formulation of Einstein's equations for a massless scalar field in spherical symmetry. Nu…