Results 11 to 20 of about 18,532 (261)

Novel Degree-Based Topological Descriptors of Fenofibrate Using M-Polynomial

open access: yesJournal of Mathematics, 2023
Chemical graph theory is currently expanding the use of topological indices to numerically encode chemical structure. The prediction of the characteristics provided by the chemical structure of the molecule is a key feature of these topological indices ...
Muhammad Kamran   +6 more
doaj   +1 more source

On topological descriptors of ceria oxide and their applications

open access: yesMain Group Metal Chemistry, 2021
A topological descriptor is a mathematical illustration of a molecular construction that relates particular physicochemical properties of primary molecular structure as well its mathematical depiction.
Siddiqui Muhammad Kamran   +4 more
doaj   +1 more source

ISI(G) Topological Index of Sum Graphs For Some Finite Groups

open access: yesAcademic Science Journal, 2023
A topological index can capture much information about a mathematical structure into an actual number. The topological indices have an essential role in theoretical mathematics.
mahera rabee
doaj   +1 more source

Ve-Degree, Ev-Degree, and Degree-Based Topological Indices of Fenofibrate

open access: yesJournal of Mathematics, 2022
The molecular topology of a graph is described by topological indices, which are numerical measures. In theoretical chemistry, topological indices are numerical quantities that are used to represent the molecular topology of networks.
Sadik Delen   +6 more
doaj   +1 more source

Topological Descriptors on Some Families of Graphs

open access: yesJournal of Chemistry, 2021
In view of the successful applications of graph theory, relationships between the biological activity and chemical structure have been developed. One of the popular topics in graph theory is problems relating to topological indices.
Iftikhar Ahmad   +3 more
doaj   +1 more source

Topological Descriptors and Polynomials for Analysing the Structure of Antimony Telluride

open access: yesJournal of Mathematics, 2022
In a molecular network, molecules are correlated with numerical values, which are referred to as topological indices. The chemical and physical properties of chemical substances can be determined using topological indices.
Shahid Imran   +4 more
doaj   +1 more source

Computation of Revan Topological Indices for Phenol-Formaldehyde Resin

open access: yesJournal of Mathematics, 2022
Phenol-formaldehyde resin has a wide range of moldings. The phenolic resin retains properties at the freezing point; hence, it is difficult to determine its age.
Muhammad Kamran   +5 more
doaj   +1 more source

M-Polynomials and Degree-Based Topological Indices of the Molecule Copper(I) Oxide

open access: yesJournal of Chemistry, 2021
Topological indices are numerical parameters used to study the physical and chemical residences of compounds. Degree-based topological indices have been studied extensively and can be correlated with many properties of the understudy compounds.
Faryal Chaudhry   +5 more
doaj   +1 more source

QSPR Modeling of Fungicides Using Topological Descriptors

open access: yesInternational Journal of Analytical Chemistry, 2023
A topological index is a real number that is obtained from a chemical graph’s structure. Determining the physiochemical and biological characteristics of a variety of medications is useful since it more accurately represents the theoretical ...
Saima Parveen   +6 more
doaj   +1 more source

Eccentricity-Based Topological Invariants of Dominating David-Derived Networks

open access: yesJournal of Chemistry, 2021
A topological index is a numerical descriptor of the molecular structure based on certain topological features of the corresponding molecular graph. Topological indices are scientific contemplations of a graph that outline its subatomic topology and are ...
Muhammad Imran   +2 more
doaj   +1 more source

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