Quadratic Embedding Constants of Graph Joins

The quadratic embedding constant (QE constant) of a graph is a new characteristic value of a graph defined through the distance matrix. We derive formulae for the QE constants of the join of two regular graphs, double graphs and certain lexicographic product graphs. Examples include complete biparti...

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Veröffentlicht in:	Graphs and combinatorics 2022-10, Vol.38 (5), Article 161
Hauptverfasser:	Lou, Zhenzhen, Obata, Nobuaki, Huang, Qiongxiang
Format:	Artikel
Sprache:	eng
Schlagworte:	Combinatorics Embedding Engineering Design Graphs Mathematics Mathematics and Statistics Original Paper
Online-Zugang:	Volltext
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