Five equivalent characterizations of strong Δ-matroids are given, including novel peerless and isolated antipode conditions that yield new local exchange axioms, motivated by tropical equations from the orthogonal Grassmannian.
Discrete Appl
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
math.CO 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
citing papers explorer
-
Characterisations of strong $\Delta$-matroids
Five equivalent characterizations of strong Δ-matroids are given, including novel peerless and isolated antipode conditions that yield new local exchange axioms, motivated by tropical equations from the orthogonal Grassmannian.