433 citations · 3.2k across the 66 of their papers we have counts for
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hep-th2012★ 40 cited
Positroids, Plabic Graphs, and Scattering Amplitudes in Mathematica
Jacob L. Bourjaily
The many intricate connections between scattering amplitudes, on-shell diagrams, and the positroid stratification of the Grassmannian has recently been described in great detail. I…
hep-th2012
Scattering Amplitudes and the Positive Grassmannian
Nima Arkani-Hamed, Jacob L. Bourjaily, Freddy Cachazo +3
We establish a direct connection between scattering amplitudes in planar four-dimensional theories and a remarkable mathematical structure known as the positive Grassmannian. The c…