plabic

adj

plabic

adj

Etymology Blend of planar + bicoloured.

1

Graph theory, Mathematics, Sciences planar and bicoloured

Of course, as illustrated in the example above, merely reordering the face variables of a fixed plabic graph by an odd permutation will change the orientation of the resulting volume-form.2016, Nima Arkani-Hamed, Grassmannian Geometry of Scattering Amplitudes, page 116:

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