The dividing line between bound and plunging orbits is an algebraic variety
qnm: A Python package for calculating Kerr quasinormal modes, separation constants, and spherical-spheroidal mixing coefficients
qnm is an open-source Python package for computing the Kerr quasinormal mode frequencies, angular separation constants, and spherical-spheroidal mixing coeff...
Hear me, Katie Bouman, and friends talk about how to snap a picture of a black hole with the Event Horizon Telescope!
The first numerical beyond-GR binary black hole merger simulation.
Sometimes in a numerical method, you need to be able to continuously turn a calculation on or off in space or time.