کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
8900771 1631721 2018 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Augmented Zagreb index of trees and unicyclic graphs with perfect matchings
موضوعات مرتبط
مهندسی و علوم پایه ریاضیات ریاضیات کاربردی
پیش نمایش صفحه اول مقاله
Augmented Zagreb index of trees and unicyclic graphs with perfect matchings
چکیده انگلیسی
The augmented Zagreb index of a graph G, which is proven to be a valuable predictive index in the study of the heat of formation of octanes and heptanes, is defined as AZI(G)=∑uv∈E(G)(d(u)d(v)d(u)+d(v)−2)3, where E(G) is the edge set of G, d(u) and d(v) are the degrees of the terminal vertices u and v of edge uv. In this paper, the lower bounds on augmented Zagreb index of trees and unicyclic graphs with perfect matchings are presented, and the corresponding extremal trees and uinicyclic graphs with perfect matchings are characterized.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Mathematics and Computation - Volume 335, 15 October 2018, Pages 75-81
نویسندگان
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