Using tools from color-kinematics duality we propose a holographic construction of gravitational amplitudes, based on a 2d Kac-Moody theory on the celestial sphere. In the *N\to \infty* limit the gauge group corresponds to *w_{1+\infty}*, due to the *U(N)* generators enjoying a simple quantum group structure, which is in turn inherited... Show more

September 1, 2022

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Towards Gravity From a Color Symmetry

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