A new lower bound on the maximum number of plane graphs using production matrices

被引:3
|
作者
Huemer, Clemens [1 ]
Pilz, Alexander [2 ]
Silveira, Rodrigo, I [1 ]
机构
[1] Univ Politecn Cataluna, Dept Matemat, Barcelona, Spain
[2] Graz Univ Technol, Inst Software Technol, Graz, Austria
基金
奥地利科学基金会;
关键词
Plane graphs; Graphs counting; Production matrix; Lower bounds; TRIANGULATIONS; TREE;
D O I
10.1016/j.comgeo.2019.07.005
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We use the concept of production matrices to show that there exist sets of n points in the plane that admit Omega(42.11(n)) crossing-free geometric graphs. This improves the previously best known bound of Omega(41.18(n)) by Aichholzer et al. (2007). (C) 2019 Elsevier B.V. All rights reserved.
引用
收藏
页码:36 / 49
页数:14
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