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arXiv 2607.25553cs.CG

关于1-平面图的2-弯斜率数

On the $2$-Bend Slope Number of $1$-Planar Graphs

Michael A. Bekos, Eleni Katsanou, Philipp Kindermann, Aikaterini Maria Ntasiou, Maria Eleni Pavlidi, Soeren Terziadis

AI总结:

研究1-平面图在每条边允许两个弯曲时的斜率数问题,提出增量绘制算法,可利用任意规定的一组\(\Delta\)个两两不同的斜率,生成最大度为\(\Delta\)的双连通1-平面图的2-弯1-平面绘制。

AI中文摘要:

虽然绘制具有少量斜率和少量弯曲的平面图是一个研究充分的问题,但对于超平面图的相应扩展仍大多未被探索。基于此,本文给出了在每条边允许两个弯曲的情况下双连通1-平面图斜率数的界。我们的贡献是一种增量绘制算法,它能使用任意规定的一组\(\Delta\)个两两不同的斜率,生成最大度为\(\Delta\)的双连通1-平面图的2-弯1-平面绘制。

英文摘要:

While drawing planar graphs with few slopes and few bends is a well-studied problem, corresponding extensions to beyond-planar graphs still remain mostly unexplored. Motivated by this observation, in this work, we provide bounds on the slope number of biconnected $1$-planar graphs when two bends are allowed along each edge. Our contribution is an incremental drawing algorithm that produces $2$-bend $1$-planar drawings of biconnected $1$-plane graphs with maximum degree $Δ$ using any prescribed set of $Δ$ pairwise distinct slopes.

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