English

Maps and $\Delta$-matroids revisited

Combinatorics 2021-11-09 v1

Abstract

Using Tutte's combinatorial definition of a map we define a Δ\Delta-matroid purely combinatorially and show that it is identical to Bouchet's topological definition.

Keywords

Cite

@article{arxiv.2111.04036,
  title  = {Maps and $\Delta$-matroids revisited},
  author = {Rémi Cocou Avohou and Brigitte Servatius and Herman Servatius},
  journal= {arXiv preprint arXiv:2111.04036},
  year   = {2021}
}
R2 v1 2026-06-24T07:29:17.748Z