Bäckdahl, Thomas Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
1803.05341.pdf (Preprint), 314KB
Aksteiner, S., & Bäckdahl, T. (2018). All local gauge invariants for perturbations of the Kerr spacetime. Physical Review Letters, 121: 051104. doi:10.1103/PhysRevLett.121.051104.