Volume 5 (2023)
Volume 4 (2022)
Volume 3 (2021)
Volume 2 (2020)
Volume 1 (2019)
Author = Mohammad Reza Farahani
Number of Articles: 25
Calculating the topological indices of Starphene graph via M-polynomial approach
Volume 3, Issue 10 , October 2021, , Pages 656-664
Abstract
Chemical graph theory is related to the structure of different chemical compounds. A chemical graph represents the molecule of the substance. Chemical graph theory provides the connection ... Read MoreTopological analysis of zigzag-edge coronoid graph by using M-polynomial
Volume 3, Issue 9 , September 2021, , Pages 590-597
Abstract
The chemical graph theory is interrelated with the chemical structure of different compounds. This graph represents the molecule of the sub-stance. A chemical graph is rehabilitated ... Read MoreComputational analysis of new degree-based descriptors of Zig-Zag Benzenoid system
Volume 3, Issue 6 , June 2021, , Pages 418-424
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, ... Read MoreDegree-based entropy of molecular structure of HAC5C7[P,Q]
Volume 3, Issue 5 , May 2021, , Pages 291-295
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 ... Read MoreTopological indices of the system of generalized prisms via M-Polynomial approach
Volume 3, Issue 5 , May 2021, , Pages 296-300
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 ... Read MoreDomination topological properties of some chemical structures using φp-polynomial approach
Volume 3, Issue 4 , April 2021, , Pages 210-218
Abstract
φp -Polynomial is one way to represent a graph algebraically, and it has a major role in theoretical chemistry. It is used in the calculation of the exact values of many topological ... Read MoreOn the ψk-polynomial of graph
Volume 3, Issue 4 , April 2021, , Pages 219-226
Abstract
In this paper, for every k-degree distance we define ψk-Polynomial of a connected graph G=(V,E) as where ψk(i,j) is the number of edges uv in G such that {dk(v), dk(u)}={i,j} ... Read MoreDegree based topological indices of tadpole graph via M-polynomial
Volume 3, Issue 3 , March 2021, , Pages 146-153
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 ... Read MoreTheoretical study of benzene ring embedded in P-type surface in 2d network using some new degree based topological indices via M-polynomial
Volume 3, Issue 3 , March 2021, , Pages 180-186
Abstract
Algebraic polynomials play an important role in theoretical chemistry because these can reflect the properties of the chemical compound. M-polynomial is also an algebraic polynomial ... Read MoreComputing M-polynomial and topological indices of TUHRC4 molecular graph
Volume 3, Issue 2 , February 2021, , Pages 103-109
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. ... Read MoreA note on QSPR analysis of total Zagreb and total Randić İndices of octanes
Volume 3, Issue 2 , February 2021, , Pages 139-145
Abstract
Topological indices are important tools for QSPR researches. Wiener, Zagreb, and Randić indices are pioneers of topological indices as the most used topological indices in view of ... Read MoreWeighted entropies of HAC5C7[p;q] nanotube
Volume 3, Issue 1 , January 2021, , Pages 1-5
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 ... Read MoreWeighted entropies of Tuc5c8[P;Q] nanotube with the degree based topological indices as weights
Volume 3, Issue 1 , January 2021, , Pages 14-18
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 ... Read MoreM-polynomial and degree-based topological indices and line graph of hex board graph
Volume 2, Issue 12 , December 2020, , Pages 1156-1163
Abstract
A topological index (TI) is a positive real number associated with the graph of molecule and remains invariant up to graph isomorphism. Until now, several TIs are defined and there ... Read MoreThe first and second Zagreb polynomial and the forgotten polynomial of Cm×Cn
Volume 2, Issue 12 , December 2020, , Pages 1183-1187
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 ... Read MoreLeap indices and their polynomials of the derived graph of the subdivision of certain polyphenyls
Volume 2, Issue 12 , December 2020, , Pages 1195-1201
Abstract
Topological indices are real (numerical) values which are associated with chemical compositions to correlate with chemical structure with different physical properties, chemical and ... Read MoreDegree-based topological descriptors of Star of David and Hexagonal Cage networks
Volume 2, Issue 11 , November 2020, , Pages 1093-1100
Abstract
Topological indices are numerical parameters of a graph that characterize its molecular topology. In theoretical chemistry, the numerical parameters which are used to depict the molecular ... Read MoreNew degree-based topological descriptors via m-polynomial of boron α-nanotube
Volume 2, Issue 11 , November 2020, , Pages 1117-1125
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 ... Read MoreMultiplicative degree-based topological indices and line graph of hex board graph
Volume 2, Issue 11 , November 2020, , Pages 1137-1145
Abstract
Mathematical chemistry is the area of research in mathematics, in which problems of chemistry are solved by utilizing techniques of mathematics. In mathematical chemistry, a number ... Read MoreComputing metric and partition dimension of tessellation of plane by boron nanosheets
Volume 2, Issue 10 , October 2020, , Pages 1064-1071
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, ... Read MoreSome topological descriptors and algebraic polynomials of Pm+FPm
Volume 2, Issue 10 , October 2020, , Pages 1072-1081
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 ... Read MoreVe-degree and Ev-degree topological analysis of some anticancer drugs
Volume 2, Issue 8 , August 2020, , Pages 834-840
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 ... Read MoreOn Van, r and s topological properties of the Sierpinski triangle networks
Volume 2, Issue 7 , July 2020, , Pages 819-826
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 ... Read MoreThe eccentric connectivity index of polycyclic aromatic hydrocarbons (PAHs)
Volume 2, Issue 6 , June 2020, , Pages 646-651
Abstract
Mathematical chemistry is the area of research engaged in new application of Mathematics in Chemistry. Major areas of research in mathematical chemistry include chemical graph theory. ... Read MoreComputation of bond incident degree (BID) indices of complex structures in drugs
Volume 2, Issue 6 , June 2020, , Pages 672-679