The double copy programme aims to construct gravitational quantities from suitably defined “products” of analogous quantities in gauge theory. It was initially developed in the context of scattering amplitudes and hence appears biased towards perturbation theory in flat backgrounds. I will give an overview of recent efforts to extend the double copy beyond flat spacetimes, and comment on possible connections to cosmology and holography.
This video was produced by the International Centre for Mathematical Sciences, as part of the workshop General Relativity from AMPlitudes Alliance.
