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Singularity structure of gravity amplitudes

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GTAW01 - General relativity: from geometry to amplitudes

Coauthor: Enrico Herrmann

There has been a lot of progress in exploring new mathematical structures in N=4 SYM amplitudes: on-shell diagrams and Amplituhedron in the planar sector, and special properties of integrands beyond the planar limit. I will review some of these developments and then focus how the similar ideas can be extended to N=8 supergravity amplitudes. As it turns out the singularity structure of supergravity amplitudes is very different and it exhibits some surprising features at both UV and IR.

This talk is part of the Isaac Newton Institute Seminar Series series.

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