Naslov (eng)

On Kirchhoff Index, Laplacian Energy and Their Relations

Autor

Milovanović, Igor
Milovanović, Emina
Glogić, Edin
Matejić, Marjan

Opis (eng)

Let G be a simple graph with vertex set V=V(G)={v_1,v_2,…,v_n} and edge set E=E(G). For v_i ϵ V(G), by d_i=d_i (G) we denote the degree (number of neighbors) of the vertex v_i. The second Zagreb index is defined as M_2 (G)=∑_(v_i v_j ϵE(G))=〖d_i d_j 〗. In this paper, we study the minimal and maximal second Zagreb index of trees with fixed diameter.

Jezik

engleski

Datum

2019

Licenca

© All rights reserved

Predmet

Keywords:Graph energy, Kirchhoff index, Laplacian energy

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