MathDB1 problem
A representable matroid is a matroid satisfying the rank axioms of a matroid and representable over a field. Mayhew–Newman–Whittle conjecture. It is impossible to characterise the…
A representable matroid is a matroid satisfying the rank axioms of a matroid and representable over a field. Mayhew–Newman–Whittle conjecture. It is impossible to characterise the…