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Energy change of Bipartite unicyclic graph with k
chen zhiwen * #
Department of Mathematics,Qinghai Normal University
*Correspondence author
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Funding: none
Opened online:19 March 2009
Accepted by: none
Citation: chen zhiwen.Energy change of Bipartite unicyclic graph with k[OL]. [19 March 2009] http://en.paper.edu.cn/en_releasepaper/content/30509
 
 
G is a (molecular)graph,its energy ,denoted by E(G),is definedto be the absolute values of all eigenvalues of adjacency matrix of G.Let ɡ2l,r,k1,k2 (k1 ≥k2≥ 0) the graph obtained by attaching k1 And k2 pendent edges to the first vertex and the r-th vertex of the cycle Cl,respectively.Wecharacterized energy change and the extremalenergy graphs in ɡ2l,r,k1,k2 (k1 ≥k2≥ 0).
Keywords:Bipartite unicyclic graph;Energy;Pendent vertex
 
 
 

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