black-hole orbits, code

Mike Kesden (NYU) gave the brown-bag talk today about calculation of extreme-mass-ratio black-hole–black-hole inspiral, including gravitational radiation. This is a hard and old problem; he has found what look like inconsistencies in the existing approximate calculations. The work brings up many issues of principle, which makes it great fun for discussion. In the morning, Goodman, Hou, and I discussed—among other things—how to package Hou's code for ease of distribution, use, and re-use.

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