**Volume 2 (2020)**

**Volume 1 (2019)**

# Main Subjects = Methematical Chemistry
Number of Articles: 16

##### 1. On The Degree-Based Topological Descriptors of Star of David and Hexagonal Cage Networks

*Articles in Press, Accepted Manuscript, Available Online from 24 October 2020*

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**Abstract **

Topological indices are a graph 's numerical parameters which characterise its molecular topology. In theoretical chemistry, the numerical parameters which are used to characterized the molecular topology of graphs are called topological indices. Several physical and chemical properties like boiling ...
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##### 2. On leap eccentric connectivity index of thorny graphs

*Volume 2, Issue 10 , October 2020, , Pages 1033-1039*

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**Abstract **

The 2-degree of a vertex v of a simple graph G is the number of vertices which are at distance two from v in G and is denoted by d2(v). In this article, we compute exact values of a recent eccentricity-based topological index called Leap eccentric connectivity index (LECI), which is defined as the sum ...
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##### 3. Weighted entropy of Zig-Zag chain

*Volume 2, Issue 10 , October 2020, , Pages 1082-1087*

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**Abstract **

The entropy of a graph is a functional depending both on the graph itself and on a probability distribution on its vertex set. This graph functional originated from the problem of source coding in information theory and was introduced by J. Krner in 1973. Although the notion of graph entropy has its ...
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##### 4. Some topological descriptors and algebraic polynomials of Pm+FPm

*Volume 2, Issue 10 , October 2020, , Pages 1072-1081*

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**Abstract **

A topological index of G is a quantity related to G that characterizes its topology. Properties of the chemical compounds and topological invariants are related to each other. In this paper, we derive the algebraic polynomials including first and second Zagreb polynomials, and forgotten polynomial for ...
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##### 5. Computing metric and partition dimension of tessellation of plane by boron nanosheets

*Volume 2, Issue 10 , October 2020, , Pages 1064-1071*

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**Abstract **

Metric dimension dim(G) and portion dimension pd(G) are usually related as pd(G)≤dim(G)+1. However, if the partition dimension is significantly smaller than the metric dimension, then it is termed as discrepancy. This paper mainly deals with metric dimension and partition dimension of tessellation ...
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##### 6. Eccentricity version F-index of some graph operations

*Volume 2, Issue 10 , October 2020, , Pages 1059-1063*

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**Abstract **

The eccentricity version F-index of a graph G is defined as the summation of cube of all the vertex eccentricities of G. In this report, the eccentricity version of F-index of the generalized hierarchical product of graphs was computed. Further, we obtained some explicit expressions of eccentricity version ...
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##### 7. Ve-degree and Ev-degree topological analysis of some anticancer drugs

*Volume 2, Issue 8 , August 2020, , Pages 834-840*

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**Abstract **

Computing topological indices of drug structures provides the chemical information about the underlying topology of the drug’s structures. Novel anticancer drug studies have been conducting by researches to design and produce ideal drugs. Chemical properties of these new drug candidates investigated ...
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##### 8. Multiplicative leap Zagreb indices of T-thorny graphs

*Volume 2, Issue 8 , August 2020, , Pages 841-846*

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**Abstract **

Let G=(V, E) is a molecular graph in which the vertex set V represents atoms and the edge set E represents the bonds between the atoms, corresponding to a chemical compound. In this research study, we introduced a new type of distance based topological indices called multiplicative leap Zagreb indices ...
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##### 9. Computing the Narumi-Katayama indices and its modified version of some nanostar dendrimers

*Volume 2, Issue 7 , July 2020, , Pages 771-775*

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**Abstract **

Dendrimers are the highly branched organic macromolecules with successive layers or generations of branch units surrounding a central core. In mathematical chemistry, a particular attention has been given to degree-based graph invariant. The Narumi-Katayama index and its modified version of a graph G, ...
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##### 10. On Van, r and s topological properties of the Sierpinski triangle networks

*Volume 2, Issue 7 , July 2020, , Pages 819-826*

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**Abstract **

A topological index-a numerical quantity derived from the graph of a chemical network-is used for modelling the mathematical, chemical and physical properties of these networks and chemicals. The topological properties of the Sierpinski triangle has been newly studied in chemical graph theory. In this ...
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##### 11. F-leap index of some special classes of bridge and chain graphs

*Volume 2, Issue 7 , July 2020, , Pages 827-833*

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**Abstract **

The 2-degree of a vertex v in a (molecular) graph G is the number of vertices which are at distance two from v in G. The F-leap index of a molecular graph G is the sum of cubes of the 2-degree of every vertex v in G. In this research study, we have computed the F-leap index of some special classes of ...
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##### 12. On molecular topological descriptors of certain families of nanostar dendrimers

*Volume 2, Issue 6 , June 2020, , Pages 680-687*

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**Abstract **

In this article, we study the degree based molecular topological indices for some infinite families of Nanostar Dendrimers. We derive the analytical closed formulae for these classes of complex chemical networks. These results are very helpful in understanding and predicting the physico-chemical properties ...
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##### 13. New results on eccentric connectivity indices of V-Phenylenic nanotube

*Volume 2, Issue 6 , June 2020, , Pages 663-671*

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**Abstract **

Topological index is a type of molecular descriptor calculated based on the molecular graph of a chemical compound. Topological indices are used for developing the quantitative structure activity relationships (QSARs) in which the biological activity or other properties of the molecules are correlated ...
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##### 14. Weighted entropy of penta chains graph

*Volume 2, Issue 6 , June 2020, , Pages 652-662*

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**Abstract **

Mathematical chemistry is a branch of theoretical chemistry in which we predict the mathematical structure by means of mathematical tools. In past few decades, many studies have been conducted in this area. This theory has cooperated a significant role in the field of chemistry. The main goal of this ...
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##### 15. General fifth M-Zagreb indices and fifth M-Zagreb polynomials of carbon graphite

*Volume 2, Issue 5 , May 2020, , Pages 634-640*

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**Abstract **

Graph theory plays a vital role in modeling and designing any chemical structure or chemical network. Chemical graph theory helps to understand the molecular structural properties of a molecular graph. The molecular graph is a graph consisting of atoms called vertices and the chemical bond between atoms ...
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##### 16. On ve-degree atom-bond connectivity, sum-connectivity, geometric-arithmetic and harmonic indices of copper oxide

*Volume 2, Issue 5 , May 2020, , Pages 641-645*