On the Bend-Number of Planar and Outerplanar Graphs

On the Bend-Number of Planar and Outerplanar Graphs
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关于平面图和外平面图的弯曲数

DOI:
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发表时间:
2011
期刊:
Latin American Symposium on Theoretical Informatics
影响因子:
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通讯作者:
T. Ueckerdt
T. Ueckerdt
中科院分区:
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文献类型:
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作者:
Daniel Heldt;K. Knauer;T. Ueckerdt

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图G的bend-numberb(G)是最小的k,使得G可以表示为至多有k个弯的一组网格路径的边交图。我们证实了Biedl和Stern的一个猜想:外平面图的最大弯曲数为2。此外,我们改进了以前已知的下限和上限的最大弯曲数的平面图从2和5到3和4,分别。
The bend-numberb(G) of a graph G is the minimum k such that G may be represented as the edge intersection graph of a set of grid paths with at most k bends. We confirm a conjecture of Biedl and Stern showing that the maximum bend-number of outerplanar graphs is 2. Moreover we improve the formerly known lower and upper bound for the maximum bend-number of planar graphs from 2 and 5 to 3 and 4, respectively.
网格路径的边相交图:弯曲数
DOI: 10.1016/j.dam.2013.10.035
发表时间: 2014
期刊: ArXiv
影响因子: --
作者:
Daniel Heldt;Kolja B. Knauer;Torsten Ueckerdt
通讯作者: Torsten Ueckerdt