On the Hyper-Zagreb Index of Some Graph Binary Operations
نویسندگان
چکیده
منابع مشابه
The Hyper-Zagreb Index of Graph Operations
Let G be a simple connected graph. The first and second Zagreb indices have been introduced as vV(G) (v)2 M1(G) degG and M2(G) uvE(G)degG(u)degG(v) , respectively, where degG v(degG u) is the degree of vertex v (u) . In this paper, we define a new distance-based named HyperZagreb as e uv E(G) . (v))2 HM(G) (degG(u) degG In this paper, the HyperZagreb index of the Cartesian p...
متن کاملA note on hyper-Zagreb index of graph operations
In this paper, the Hyper - Zagreb index of the Cartesian product, composition and corona product of graphs are computed. These corrects some errors in G. H. Shirdel et al.[11].
متن کاملthe hyper-zagreb index of graph operations
let g be a simple connected graph. the first and second zagreb indices have been introducedas vv(g)(v)2 m1(g) degg and m2(g) uve(g)degg(u)degg(v) , respectively,where degg v(degg u) is the degree of vertex v (u) . in this paper, we define a newdistance-based named hyperzagreb as e uv e(g) .(v))2 hm(g) (degg(u) degg inthis paper, the hyperzagreb index of the cartesian product...
متن کاملa note on hyper-zagreb index of graph operations
in this paper, the hyper - zagreb index of the cartesian product, composition and corona product of graphs are computed. these corrects some errors in g. h. shirdel et al.[11].
متن کاملThe Hyper-Zagreb Index of Four Operations on Graphs
The hyper-Zagreb index of a connected graph G, denoted by HM(G), is defined as HM(G) = ∑ uv∈E(G) [dG(u) + dG(v)] where dG(z) is the degree of a vertex z in G. In this paper, we study the hyper-Zagreb index of four operations on graphs.
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ژورنال
عنوان ژورنال: Asian Research Journal of Mathematics
سال: 2020
ISSN: 2456-477X
DOI: 10.9734/arjom/2020/v16i430183