A Dirac-type characterization of k-chordal graphs

A Dirac-type characterization of k-chordal graphs
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k 弦图的狄拉克型表征

DOI:
10.1016/j.disc.2013.08.032
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发表时间:
2012
期刊:
Discret. Math.
影响因子:
--
通讯作者:
N. Sadagopan
N. Sadagopan
中科院分区:
--
文献类型:
--
作者:
R. Krithika;Rogers Mathew;N. Narayanaswamy;N. Sadagopan

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一个图是k弦图,如果它没有长度大于k的诱导圈.我们给出了k弦图的一个新的刻画,推广了Dirac用单纯顶点和单纯序来刻画弦图的结果.
A graph is k-chordal if it has no induced cycle of length greater than k. We give a new characterization of k-chordal graphs that generalizes the well-known characterization of chordal graphs by Dirac in terms of simplicial vertices and simplicial orderings.