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拟无爪图可迹的度和条件

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为研究无爪图扩展图之一的拟无爪图的哈密顿性质,利用最长路与最长圈的长度差以及拟无爪图的结构特点,证明了如果G是一个连通的n阶拟无爪图且含有三个独立点的最小度和至少为n,则G是可迹的.
Traceable Degree Sum Conditions for Quasi-claw-free Graphs
In order to study the Hamiltonian properties of a quasi-claw-free graph,which is one of the extended graphs of claw-free graphs,the length difference between the longest path and the longest loop,as well as the structural characteristics of the quasi-claw-free graph is used to prove that if G is a connected n-order quasi-claw-free graph containing three independent points with a minimum degree sum of at least n,then G is traceable.

quasi-claw-free graphsdominating settraceable graphsdegree sum

史荣华、郭玺瑶、徐美进、陈晓东

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辽宁师范大学 数学学院,辽宁 大连 116029

辽宁工业大学 理学院,辽宁 锦州 121001

拟无爪图 支配集 可迹图 度和

2024

辽宁工业大学学报(自然科学版)
辽宁工业大学

辽宁工业大学学报(自然科学版)

影响因子:0.226
ISSN:1674-3261
年,卷(期):2024.44(6)