first multiple zagreb index
Topological Indices of Cetirizine
... index, First Zagreb index, Second Zagreb index, First Multiple Zagreb index, Second Multiple Zagreb index, Augmented ...
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TOPOLOGICAL CHARACTERIZATION FOR THE LINE GRAPH OF NANOSTRUCTURES
... hyper Zagreb index, first multiple Zagreb index, second multiple Zagreb index and Zagreb polynomials were established in chemical graph theory based ...
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The multiply version of Zagreb indices of a family of molecular graph "polycyclic aromatic hydrocarbons (PAHS)"
... In this section, we focus on the structure of hydrocarbon structures and counting the First Multiple Zagreb index and Second Multiple Zagreb index of Polycyclic Aromatic ...
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COMPUTING ZAGREB INDICES AND ZAGREB POLYNOMIALS OF FULLERENE, BUTTERFLY AND BENES NETWORKS
... topological index is a numerical parameter of a graph which characterizes some of the topological properties of the ...hyper-Zagreb index, first multiple Zagreb index, ...
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Some Invariants of Cartesian Product of a Path and a Complete Bipartite Graph
... topological index of graph G is a numerical parameter related to G, which characterizes its topology and is preserved under isomorphism of ...M-polynomial, first and second Zagreb polynomials and ...
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On computational Aspects of Bismuth Tri-Iodide
... The first and second Zagreb indices are one of the oldest and most well-known topological indices defined by Gutman in 1972 and are given different names in the literature, such as the Zagreb group ...
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Extremal trees with respect to the first and second reformulated Zagreb index
... Throughout this paper we consider undirected finite graphs without loops and multiple edges. The vertex and edge sets of a G will be denoted by V ( G ) and E ( G ) , respectively. For a vertex v in G, the degree ...
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MAXIMAL GRAPHS OF THE FIRST REVERSE ZAGREB BETA INDEX
... the first reverse Zagreb beta index value of the graph S decreased by 2r + 1 since the sum of the number of the neighbors of the vertices of u and s is 2r + 1 in L and increased by 2r − 1 since c u + ...
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Extremal trees with respect to some versions of Zagreb indices via majorization
... the first general Zagreb index of G as follows ( ) = ∑ ∈ ( ) ( ) ...the first three smallest and largest values of the first general Zagreb index, where α is an integer or ...
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On the bounds of degree based topological indices of the Cartesian product of F sum of connected graphs
... first Zagreb, the third Zagreb, the augmented Zagreb, the first multiple Zagreb, ABC and GA indices of the Cartesian product of F -sum of graphs in terms of their factor ...
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The First and Second Zagreb Indices of Degree Splitting of Graphs
... Let G be simple graph. The first Zagreb index is the sum of squares of degree of vertices and second Zagreb index is the sum of the products of the degrees of pairs of[r] ...
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Vol 8, No 2 (2017)
... modified first and second Zagreb indices, harmonic index and augmented Zagreb index for certain networks like silicate networks and honeycomb ...
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Some new results on multiplicative topological indices
... Over the time, various indices have been defined depending on the demand and purpose to provide and analyse chemical compound viz. hydrocarbons etc. In chemical graph theory, mathematical modelling of certain chemical ...
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On topological properties of probabilistic neural network
... In chemical graph theory, a molecular structure can be rep- resented by vertices and edges where vertices denotes atoms and edges denotes the bonds between atoms. A topological index is a real number related to a ...
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The Edge Version of Degree Based Topological Indices of p NAqp Nanotube
... connectivity index and named as Augmented Zagreb Index ...Augmented zagreb index. The edge version of Augmented Za- greb Index is defined as ...
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On Topological Indices of Circumcoronene Series of Benzenoid
... of Zagreb indices for general graphs can be referred to ...topological index “Multiplicative Zagreb Eccentricity index” for famous Benzenoid molecular graph “Circumcoronene series of Benzenoid ...
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EXTREMAL HYPER ZAGREB INDEX FOR TRICYCLIC GRAPHS
... [13] M.R. Farahani, W. Gao, M.R.R. Kanna, P.R. Kumar, J.B. Liu, General Randic, sum-connectivity, hyper-Zagreb and harmonic indices, and har- monic polynomial of molecular graphs, Advances in Physical Chemistry, ...
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Note on multiple Zagreb indices
... The first and second Zagreb descriptors are among the oldest graph invariants, defined in 1972 by Gutman and his co-authors [7], and are given different names such as the Zagreb group indices, the ...
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Multiplicative Connectivity Indices of Certain Nanotubes
... connectivity index and its wide applications, we introduce the multiplicative product connectivity index, multiplicative sum connectivity index, multiplicative atom bond connectivity index, ...
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On the first variable Zagreb index
... the first variable Zagreb index of increasing ...the first Zagreb, eccentric connectivity index and second Zagreb indices, Kazemi and Meimondari for degree distance and ...
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