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Gravity from scattering amplitudes

Measurements of gravitational waves by the LIGO/Virgo and upcoming detectors open up the exciting possibility of testing theories of gravity, including the regime of strong gravity as probed by black holes just prior to merging. Analytical advances are required in order to push theory to the level where it can provide best-fit templates from which physical parameters can be extracted from data. To this end, our group develops and implements methods in quantum field theories, and especially in scattering amplitudes.