In this repository, there are the boundary conditions describing slowly-spinning horizonless compact objects under axial and polar perturbations.
Reference: M. V. S. Saketh, E. Maggio, "Quasinormal modes of slowly-spinning horizonless compact objects" (2024)
This research is supported by the European Union’s Horizon Europe research and innovation programme under the Marie Skłodowska-Curie grant agreement No. 101107586 "Testing the horizon of black holes with gravitational waves".