Geometric signatures, fixed by orientation and a gauge ray direction, completely characterize totally non-negative edge-signature systems on plabic networks in the disk.
Grinevich, Amalgamation in totally non-negative Grassmannians and real regular KP divisors on M–curves., in prep
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Edge vectors on plabic networks in the disk and amalgamation of totally non-negative Grassmannians
Geometric signatures, fixed by orientation and a gauge ray direction, completely characterize totally non-negative edge-signature systems on plabic networks in the disk.