Basis conjecture for curvature-zero functions on positroid subdivisions
Let Δk,n\Delta_{k,n}Δk,n be the hypersimplex, and let eJ∈Δk,ne_J\in\Delta_{k,n}eJ∈Δk,n range over its (nk)−n\binom{n}{k}-n(kn)−n nonfrozen vertices. For each such vertex, let ρJ\rho_JρJ be the corresponding fun…