Semnan UniversityInternational Journal of Nonlinear Analysis and Applications2008-682213120220101The operations effects on the line graphs of simple graphs813816559910.22075/ijnaa.2022.5599ENFawwaz DoujanWrikatDepartment of Mathematics and Statics, Mutah University, Al-Karak, JordanJournal Article20211003The line graph of the graph $\Gamma$ denoted by $L(\Gamma)$ is a graph with a vertex set consists of the sets of edges of $\Gamma$ and two vertices are adjacent in $L(\Gamma)$ if they are incident in $\Gamma$. In this article, we discuss and determine the effect of operations on the line graphs of simple graphs.https://ijnaa.semnan.ac.ir/article_5599_d3736b5a5a43df78cbdd3e0e22a8e2ae.pdf