Finite connectivity in infinite matroids
Combinatorics
2011-01-31 v1
Abstract
We introduce a connectivity function for infinite matroids with properties similar to the connectivity function of a finite matroid, such as submodularity and invariance under duality. As an application we use it to extend Tutte's linking theorem to finitary and to co-finitary matroids.
Cite
@article{arxiv.1101.5621,
title = {Finite connectivity in infinite matroids},
author = {Henning Bruhn and Paul Wollan},
journal= {arXiv preprint arXiv:1101.5621},
year = {2011}
}
Comments
16 pages