The multiplicative Zagreb co-indices on two graph operators
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Математическая кибернетика (93)
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DELDAR, Mansoureh, ALAEIYAN, Mehdi. The multiplicative Zagreb co-indices on two graph operators. In: Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica, 2016, nr. 2(81), pp. 18-26. ISSN 1024-7696.
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Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica
Numărul 2(81) / 2016 / ISSN 1024-7696 /ISSNe 2587-4322

The multiplicative Zagreb co-indices on two graph operators
CZU: 519.712.4+519.85

Pag. 18-26

Deldar Mansoureh, Alaeiyan Mehdi
 
Islamic Azad University Karaj
 
Proiecte:
 
Disponibil în IBN: 28 octombrie 2016


Rezumat

Let G be a graph with vertex set V (G) and edge set E(G). The first and second multiplicative Zagreb co-indices are defined as: Y1 (G) =Yuv/∈E(G) [dG(u) dG(v)] , Y2 (G) =Yuv /∈E(G) [dG(u)dG(v)], respectively, where dG(u) is the degree of the vertex u of G. The aim of this paper is to investigate the multiplicative Zagreb co-indices of the subdivision graphs of tadpole graphs and wheel graphs

Cuvinte-cheie
Multiplicative Zagreb co-indices, Subdivision graph, Zagreb indices.