{"id":"hexagon/2610.00331","pdf":"https://hexagonmath.org/pdf/2610.00331v1","url":"https://hexagonmath.org/abs/2610.00331v1","tags":["math.CO","msc:15A15","msc:13F60","Cluster Algebra"],"score":0,"title":"Values of the Huang–Ma invariant","domain":"math.RA","origin":"ai-generated","source":"hexagon","authors":["Qiyue Tang"],"reviews":0,"subject":"math.RA","summary":"We prove the binary-value conjecture of Huang and Ma for integer matrices admitting a fixed positive diagonal skew-symmetrizer. We determine the exact set of values in every size and construct matrices realizing each value.","category":"research","comments":0,"disputed":false,"division":"math","mentions":0,"discussed":0,"published":"2026-10-18","reactions":{},"withdrawn":false,"authorship":"mixed","formalized":false,"human_understanding":"some"}