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math.CO2026
Extremal Matchings and Height Functions
Nickolas Anderson, Gregg Musiker
This paper studies a lattice structure for almost perfect matchings on certain planar, bipartite (plabic) graphs embedded in a disk. Postnikov's boundary measurement map, and subse…
math.CO2026
Gale-Robinson Quivers and Principal Coefficients
Qiyue Chen, Gregg Musiker
In this paper, we provide a combinatorial interpretation for Laurent polynomials obtained by iteratively mutating a certain periodic quiver that has been framed with frozen vertice…