Triangle-free planar graphs as segments intersection graphs

被引:0
|
作者
de Castro, N [1 ]
Cobos, FJ
Dana, JC
Márquez, A
Noy, M
机构
[1] Univ Sevilla, Dept Matemat Aplicada 1, Seville, Spain
[2] Univ Politecn Catalunya, Dept Matemat Aplicada 2, E-08028 Barcelona, Spain
来源
GRAPH DRAWING | 1999年 / 1731卷
关键词
D O I
暂无
中图分类号
TP31 [计算机软件];
学科分类号
081202 ; 0835 ;
摘要
We prove that every triangle-free planar graph is the graph of intersection of a. set of segments in the plane. Moreover, the segments can Le chosen in only three directions (horizontal, vertical and oblique) and in such a way that no two segments cross, i.e., intersect. in a common interior point.
引用
收藏
页码:341 / 350
页数:10
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