**Volume 3 (2021)**

**Volume 2 (2020)**

**Volume 1 (2019)**

# Keywords = topological indices
Number of Articles: 11

##### 1. Computational analysis of new degree-based descriptors of Zig-Zag Benzenoid system

*Volume 3, Issue 6 , June 2021, , Pages 418-424*

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**Abstract **

Chemical graph theory is one of the dominant branches in graph theory. In this paper, we compute the atom bond connectivity, geometric arithmetic, first K-Banhatti, second K-Banhatti, first K-hyper Banhatti, second K-hyper Banhatti, modified first K-Banhatti, modified second K-Banhatti and harmonic K-Banhatti ...
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##### 2. Degree-based entropy of molecular structure of HAC5C7[P,Q]

*Volume 3, Issue 5 , May 2021, , Pages 291-295*

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**Abstract **

This study aimed at using the calculated values of topological indices, degree weighted entropy of graph, the entropy measures are calculated viz., symmetric division index, inverse sum index atom-bond connectivity entropy and geometric arithmetic entropy for the nanotube HAC5C7[p,q].
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##### 3. Topological indices of the system of generalized prisms via M-Polynomial approach

*Volume 3, Issue 5 , May 2021, , Pages 296-300*

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**Abstract **

The characteristics of various networks can be distinguished with the help of topological indices. The purpose of this paper is to study the generalized prism network, which is very interesting for physics and engineering researchers. Regarding this network, we recovered some degree-based topological ...
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##### 4. Degree based topological indices of tadpole graph via M-polynomial

*Volume 3, Issue 3 , March 2021, , Pages 146-153*

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**Abstract **

Chemical graph theory has an important impact on the development of the chemical sciences. A chemical graph is a graph that is produced from some molecular structure by applying some graphical operations. The demonstration of chemical compounds and chemical networks with the M-polynomials is a revolution ...
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##### 5. Computing M-polynomial and topological indices of TUHRC4 molecular graph

*Volume 3, Issue 2 , February 2021, , Pages 103-109*

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**Abstract **

Chemical graph theory has an important role in the development of chemical sciences. A graph is produced from certain molecular structure by means of applying several graphical operations. The local graph parameter is valency, which is defined for every vertex as the number associates with other vertices ...
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##### 6. Weighted entropies of HAC5C7[p;q] nanotube

*Volume 3, Issue 1 , January 2021, , Pages 1-5*

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**Abstract **

The aim of this article was to compute weighted entropy of some well-known nanostructure HAC5C7[p;q]. We applied probability density function to formulate entropy by taking different topological indices as edge weights for example Zagreb indices, modified Zagreb indices, augmented Zagreb index and Randić ...
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##### 7. Weighted entropies of Tuc5c8[P;Q] nanotube with the degree based topological indices as weights

*Volume 3, Issue 1 , January 2021, , Pages 14-18*

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**Abstract **

The entropy of a graph is a function depending both on the graph itself and on a probability distribution on its vertex set. This graph function originated in the problem of source coding in information theory and was introduced by J. Krner in 1973. Although the notion of graph entropy has its roots ...
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##### 8. The first and second Zagreb polynomial and the forgotten polynomial of Cm×Cn

*Volume 2, Issue 12 , December 2020, , Pages 1183-1187*

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**Abstract **

In this paper, the 1st and 2nd Zagreb polynomials and the forgotten polynomial of Cm×Cn were computed. Some degree-based topological indices such as 1st and 2nd multiple Zagreb indices, Hyper Zagreb index and the forgotten index or F-index of the given networks were also computed. In addition, ...
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##### 9. Leap indices and their polynomials of the derived graph of the subdivision of certain polyphenyls

*Volume 2, Issue 12 , December 2020, , Pages 1195-1201*

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**Abstract **

Topological indices are real (numerical) values which are associated with chemical compositions to correlate with chemical structure with different physical properties, chemical and biological activities. In this article, we computed and compaed leap Zagreb indices and leap hyper-Zagreb indices of the ...
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##### 10. New degree-based topological descriptors via m-polynomial of boron α-nanotube

*Volume 2, Issue 11 , November 2020, , Pages 1117-1125*

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**Abstract **

The study of molecular structure having size less than 100 nm is called nanotechnology. Nano-materials have vast applications in different fields. Boron α-nanotube is very famous in Nano-science. In this article, we computed some important topological indices of this structure using their M-polynomial ...
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##### 11. Weighted entropy of Zig-Zag chain

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