On the maximum even factor in weakly symmetric graphs
On the maximum even factor in weakly symmetric graphs
复制标题
关于弱对称图的最大偶因子
DOI:
10.1016/j.jctb.2004.01.001
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发表时间:
2004
期刊:
影响因子:
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通讯作者:
László Szegö
中科院分区:
文献类型:
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作者:
G. Pap;László Szegö
As a common generalization of matchings and matroid intersection, Cunningham and Geelen introduced the notion of path-matchings, then they introduced the more general notion of even factor in weakly symmetric digraphs. Here we give a min–max formula for the maximum cardinality of an even factor. Our proof is purely combinatorial. We also provide a Gallai–Edmonds-type structure theorem for even factors.