Affiliation:
1. School of Science, North University of China, Taiyuan 030051, China
Abstract
In this work, by using the properties of the variable sum exdeg indices and analyzing the structure of the quasi-tree graphs and unicyclic graphs, the minimum and maximum variable sum exdeg indices of quasi-tree graphs and quasi-tree graphs with perfect matchings were presented; the minimum and maximum variable sum exdeg indices of unicyclic graphs with given pendant vertices and cycle length were determined.
Funder
Shanxi Province Science Foundation for Youths
Cited by
9 articles.
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