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Sufficient Conditions for Graphs to Be -Connected, Maximally Connected, and Super-Connected
Complexity ( IF 1.7 ) Pub Date : 2021-02-22 , DOI: 10.1155/2021/5588146
Zhen-Mu Hong 1 , Zheng-Jiang Xia 1 , Fuyuan Chen 2 , Lutz Volkmann 3
Affiliation  

Let be a connected graph with minimum degree and vertex-connectivity . The graph is -connected if , maximally connected if , and super-connected if every minimum vertex-cut isolates a vertex of minimum degree. In this paper, we present sufficient conditions for a graph with given minimum degree to be -connected, maximally connected, or super-connected in terms of the number of edges, the spectral radius of the graph, and its complement, respectively. Analogous results for triangle-free graphs with given minimum degree to be -connected, maximally connected, or super-connected are also presented.

中文翻译:

图的连通,最大连通和超连通的充分条件

一个具有最小度和顶点连通性的连通图该图已连接-如果如果连接最大如果每个最小顶点切割都隔离了最小度顶点,则超级连接。在本文中,我们提出了与给定的最小程度的曲线图的充分条件被-连接的,最大程度地连接,或者超连接的分别的边缘的数目,该曲线图的谱半径,和它的补码,计。还给出了具有给定的最小度数的无三角形图的相似结果-连接,最大连接或超级连接。
更新日期:2021-02-22
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