Graph Minors. XXII. Irrelevant vertices in linkage problems

Graph Minors. XXII. Irrelevant vertices in linkage problems
复制标题

图未成年人。

DOI:
10.1016/j.jctb.2007.12.007
复制
发表时间:
2012
期刊:
J. Comb. Theory B
影响因子:
--
通讯作者:
P. Seymour
P. Seymour
中科院分区:
--
文献类型:
--
作者:
N. Robertson;P. Seymour

文献摘要

被引文献

相似文献

在《小图XIII》中给出的不相交路径问题的算法中,我们在没有证明的情况下使用了一个引理,即在解决这样一个问题时,一个顶点与图的其余部分充分“绝缘”,这是不相关的,并且可以在不改变问题的情况下删除。在本文中,我们证明了引理。
In the algorithm for the disjoint paths problem given in Graph Minors XIII, we used without proof a lemma that, in solving such a problem, a vertex which was sufficiently “insulated” from the rest of the graph by a large planar piece of the graph was irrelevant, and could be deleted without changing the problem. In this paper we prove the lemma.