Binary
A matroid is binary if it is representable over $\mathbb F_2 = GF(2)$. By Tutte's theorem, this holds exactly when it has no $U_{2,4}$ minor. Binary matroids are quaternary. Copied from polyDB (BINARY).
A matroid is binary if it is representable over $\mathbb F_2 = GF(2)$. By Tutte's theorem, this holds exactly when it has no $U_{2,4}$ minor. Binary matroids are quaternary. Copied from polyDB (BINARY).