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Wed, 25 Feb 2026
12:45
TCC VC

Positive Geometry and Canonical Forms

Catherine Notman
Abstract
In recent years an unexpected connection has been found between polytopes in complex projective varieties and the physics of scattering amplitudes. In this talk I will discuss the Grassmannian generalisation of simplexes and polytopes, called positive geometries, and their associated canonical forms. Adding a generalised idea of convexity results in the Amplituhedron, whose canonical form exactly corresponds to scattering amplitudes in N=4 super Yang-Mills theory.