Interval completion with the smallest max-degree - (Extended abstract)

被引:0
|
作者
Fomin, FV
Golovach, PA
机构
[1] St Petersburg State Univ, Fac Math & Mech, Dept Operat Res, St Petersburg 198904, Russia
[2] Syktyvkar State Univ, Dept Math Appl, Fac Math, Syktyvkar 167001, Russia
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中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
The interval degree of a graph is defined to be the smallest max-degree of any of its interval supergraphs. We find various bounds for this parameter. We prove that for any graph G the interval degree of G is at least the bandwidth of G, the pathwidth of G(2) and at most twice the bandwidth of G. Also we show that if G is an AT-free claw-free graph, then the interval degree of G is equal to the clique number of G(2) minus one. Finally, we show that there is a polynomial time algorithm for computing the interval degree of AT-free claw-free graphs.
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页码:359 / 371
页数:13
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