Tree-level N=2 super wavefunction coefficients are written in orthogonal-Grassmannian form by inverting a basis of energy discontinuities and embedding them in momentum superspace.
A ’Twistor String’ Inspired Formula For Tree-Level Scattering Amplitudes in N=8 SUGRA
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Beyond Discontinuities: Cosmological WFCs and the Supersymmetric Orthogonal Grassmannian
Tree-level N=2 super wavefunction coefficients are written in orthogonal-Grassmannian form by inverting a basis of energy discontinuities and embedding them in momentum superspace.