论文标题

在边缘彩色完整的完整图中,没有单色三角形:顶点 - 庞克类似结果

Properly colored cycles in edge-colored complete graphs containing no monochromatic triangles: a vertex-pancyclic analogous result

论文作者

Li, Ruonan

论文摘要

边缘颜色图中正确的彩色循环(路径)是一个循环(路径),其连续边缘分配了不同的颜色。单色三角形是一个长度为3 $的周期,边缘分配了相同的颜色。众所周知,每个边缘颜色的完整图都不包含单色三角形,总是包含正确的汉密尔顿路径。在本文中,我们研究了当禁止单色三角形时,在边彩色完整图中存在正确的彩色循环。我们获得了一个顶点 - 庞术类似结果,并结合了所有异常的表征。

A properly colored cycle (path) in an edge-colored graph is a cycle (path) with consecutive edges assigned distinct colors. A monochromatic triangle is a cycle of length $3$ with the edges assigned a same color. It is known that every edge-colored complete graph without containing monochromatic triangles always contains a properly colored Hamilton path. In this paper, we investigate the existence of properly colored cycles in edge-colored complete graphs when monochromatic triangles are forbidden. We obtain a vertex-pancyclic analogous result combined with a characterization of all the exceptions.

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