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From Momentum Amplituhedron Boundaries to Amplitude Singularities and Back. (arXiv:2003.13704v1 [hep-th]) http://arxiv.org/abs/2003.13704
From Momentum Amplituhedron Boundaries to Amplitude Singularities and Back. (arXiv:2003.13704v1 [hep-th]) http://arxiv.org/abs/2003.13704