Lattices Related to Extensions of Presentations of Transversal Matroids

Electronic Journal Of Combinatorics

Joseph E. Bonin¹ 

关键词: Transversal matroids;    Presentations;    Single-element extensions;    Distributive lattices;   

DOI  :  

学科分类：离散数学和组合数学

来源: Electronic Journal Of Combinatorics

【 摘 要 】

For a presentation $\mathcal{A}$ of a transversal matroid $M$, we study the ordered set $T_{\mathcal{A}}$ of single-element transversal extensions of $M$ that have presentations that extend $\mathcal{A}$; extensions are ordered by the weak order.  We show

【 授权许可】

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