Obstructions of Connectivity Two for Embedding Graphs into the Torus

被引:5
|
作者
Mohar, Bojan [1 ]
Skoda, Petr [1 ]
机构
[1] Simon Fraser Univ, Dept Math, Burnaby, BC V5A 1S6, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
torus; obstruction; minor; connectivity; 2; GENUS; 2-AMALGAMATIONS;
D O I
10.4153/CJM-2014-025-x
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
The complete set of minimal obstructions for embedding graphs into the torus is still not determined. In this paper, we present all obstructions for the torus of connectivity 2. Furthermore, we describe the building blocks of obstructions of connectivity 2 for any orientable surface.
引用
收藏
页码:1327 / 1357
页数:31
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