Fan-Extensions in Fragile Matroids

Electronic Journal Of Combinatorics

Carolyn Chun¹ 

关键词: Matroid theory;    excluded minors;    partial field;    fragile matroid;   

DOI  :  

学科分类：离散数学和组合数学

来源: Electronic Journal Of Combinatorics

【 摘 要 】

If $\mathcal{S}$ is a set of matroids, then the matroid $M$ is $\mathcal{S}$-fragile if, for every element $e\in E(M)$, either $M\backslash e$ or $M/e$ has no minor isomorphic to a member of $\mathcal{S}$. Excluded-minor characterizations often depend, im

【 授权许可】

Others