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Presented By: Leinweber Center for Theoretical Physics

Gravity amplitudes from the ultraviolet

Julio Parra-Martinez (UCLA)

Scattering amplitudes in planar N=4 super Yang-Mills can be described in terms a geometrical object, the Amplituhedron. Special properties of loop integrands seem to indicate that this picture persists beyond the planar limit. My talk will describe a first step, and several challenges, in finding similar structures in gravity amplitudes.
I will explain how their ultraviolet behaviour, usually considered problematic, might hold the key to this problem

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