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hep-th2020★ 13 cited
Momentum Amplituhedron meets Kinematic Associahedron
David Damgaard, Livia Ferro, Tomasz Lukowski +1
In this paper we study a relation between two positive geometries: the momentum amplituhedron, relevant for tree-level scattering amplitudes in super Yang-Mills t…
hep-th2020★ 25 cited
From Momentum Amplituhedron Boundaries to Amplitude Singularities and Back
Livia Ferro, Tomasz Lukowski, Robert Moerman
The momentum amplituhedron is a positive geometry encoding tree-level scattering amplitudes in super Yang-Mills directly in spinor-helicity space. In this paper we…