Results 31 to 40 of about 40,634 (157)

Computation of Zagreb Polynomial and Indices for Silicate Network and Silicate Chain Network

Journal of Mathematics, 2023
The connection of Zagreb polynomials and Zagreb indices to chemical graph theory is a bifurcation of mathematical chemistry, which has had a crucial influence on the development of chemical sciences.
Muhammad Usman Ghani, Mustafa Inc, Faisal Sultan, Murat Cancan, Alphonse Houwe   +4 more
doaj   +1 more source

Sum-edge characteristic polynomials of graphs

Journal of Taibah University for Science, 2019
Modelling a chemical compound by a (molecular) graph helps us to obtain some required information about the chemical and physical properties of the corresponding molecular structure.
Mert Sinan Oz, Cilem Yamac, Ismail Naci Cangul   +2 more
doaj   +1 more source

Topological Descriptor of 2-Dimensional Silicon Carbons and Their Applications

Open Chemistry, 2019
The Chemical graph theory is extensively used in finding the atomic supplementary properties of different chemical stuructures. Many results of graph theory are commonly used in molecular structures and in general in Chemisty.
Nadeem Muhammad, Ahmad Sarfraz, Siddiqui Muhammad Kamran, Naeem Muhammad   +3 more
doaj   +1 more source

Computing Topological Indices and Polynomials of the Rhenium Trioxide

Journal of Mathematics, 2022
In the study of mathematical chemistry and chemical graph theory, a topological index, also known as a connectivity index, is the arithmetical framework of a graph that specifies its topology and also graph invariant.
Shahid Imran, Muhammad Mudassar Raza, Niat Nigar, Syed Ajaz K. Kirmani, Fikre Bogale Petros   +4 more
doaj   +1 more source

On statistical evaluation of reverse degree based topological indices for iron telluride networks

Scientific Reports
In the context of graph theory and chemical graph theory, this research conducts a detailed mathematical investigation of reverse topological indices as they relate to iron telluride networks, clarifying their complex interactions.
Maged Z. Youssef, Ibrahim Al-Dayel, Muhammad Farhan Hanif, Muhammad Kamran Siddiqui, Hira Ahmed, Fikadu Tesgera Tolasa   +5 more
doaj   +1 more source

Topological Characterization of Carbon Graphite and Crystal Cubic Carbon Structures

Molecules, 2017
Graph theory is used for modeling, designing, analysis and understanding chemical structures or chemical networks and their properties. The molecular graph is a graph consisting of atoms called vertices and the chemical bond between atoms called edges ...
Wei Gao, Muhammad Kamran Siddiqui, Muhammad Naeem, Najma Abdul Rehman   +3 more
doaj   +1 more source

Structural Analysis and Topological Characterization of Sudoku Nanosheet

Journal of Mathematics, 2022
The physical and biological properties of chemical compounds are modelled using chemical graph theory. The geometric structure of chemical compounds can be modelled using a variety of topological indices derived from graph theory. The chemical structures,
Shahid Zaman, Mehwish Jalani, Asad Ullah, Ghulamullah Saeedi   +3 more
doaj   +1 more source

Computation of Several Banhatti and Reven Invariants of Silicon Carbides

مجلة بغداد للعلوم, 2023
Expressions for the molecular topological features of silicon carbide compounds are essential for quantitative structure-property and structure-activity interactions.
Abid Mahboob, Muhammad Waheed Rasheed, Jalal Hatem Hussein Bayati, Iqra Hanif   +3 more
doaj   +1 more source

Cyclic connectivity index of bipolar fuzzy incidence graph

Open Chemistry, 2022
In the performance characterization of chemical molecular structures, several uncertain properties are often encountered, and fuzzy theory is precisely the tool to characterize these uncertainties.
Lu Juanjuan, Zhu Linli, Gao Wei
doaj   +1 more source

Partition Resolvability of Nanosheet and Nanotube Derived from Octagonal Grid

Journal of Mathematics
Chemical graph theory, a branch of computational and applied mathematics, covers a very wide range of topics. As a result, the world of applied sciences heavily relies on graph theory.
Ali Al Khabyah, Ali N. A. Koam, Ali Ahmad   +2 more
doaj   +1 more source