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The Kelmans-Seymour conjecture III: 3-vertices in K4−
Journal of Combinatorial Theory Series B ( IF 1.2 ) Pub Date : 2019-12-09 , DOI: 10.1016/j.jctb.2019.11.006 Dawei He , Yan Wang , Xingxing Yu
中文翻译:
凯尔曼-西摩猜想III:3个顶点
更新日期:2019-12-09
Journal of Combinatorial Theory Series B ( IF 1.2 ) Pub Date : 2019-12-09 , DOI: 10.1016/j.jctb.2019.11.006 Dawei He , Yan Wang , Xingxing Yu
Let G be a 5-connected nonplanar graph and let be distinct, such that and . We show that one of the following holds: contains , or G contains a in which is of degree 2, or G contains a in which is not a branch vertex, or may be chosen so that for any distinct , contains .
中文翻译:
凯尔曼-西摩猜想III:3个顶点
令G为5连通非平面图,令 与众不同 和 。我们证明以下条件之一: 包含 ,或G包含一个 在其中 是2级,或者G包含一个 在其中 不是分支顶点,或者 可以选择以便于任何不同的 , 包含 。