Open Access
Research Article·pp. 1397–1414·Vol. 47, Issue 4Apr 2026
Negar Kheirkhahan, Masoud Ghods
Published Online: 10 Feb 2026DOI: 10.47974/JIOS-1838 In this paper: Scientific interest in Titanium dioxide has increased due to its wide range of applications across various industries. Chemical design and development involve significant expense, time, and difficulti...
Open Access
Research Article·pp. 1541–1564·Vol. 29, Issue 4Apr 2026
Negar Kheirkhahan, Jaber Ramezani Tousi, Masoud Ghods
Published Online: 24 Nov 2025DOI: 10.47974/JDMSC-2226 In this paper: The primary use of topological indices (TIs) in chemical sciences lies in estimating the physical and chemical attributes of molecular graphs. The refractive, reflective, and transmission properties o...
Open Access
Research Article·pp. 2751–2768·Vol. 28, Issue 7Oct 2025
Mehri Hasani, Masoud Ghods
Published Online: 14 Aug 2025DOI: 10.47974/JDMSC-2070 In this paper: This study focuses on the theoretical study of the fuzzy graph of an aromatic hydrocarbon called tetracene hydrocarbon and calculates several degree topological indices based on fuzzy logic, including...
Open Access
Research Article·pp. 1779–1793·Vol. 28, Issue 5Aug 2025
Mehri Hasani, Masoud Ghods
Published Online: 10 Jun 2025DOI: 10.47974/JIM-1791 In this paper: This research study focuses on the theoretical examination of the fuzzy graph of aromatic hydrocarbon naphthalene. It introduces new definitions for the first Zagreb fuzzy index, forgotten index, and...
Open Access
Research Article·pp. 499–520·Vol. 28, Issue 2Mar 2025
Setareh Javame, Jaber Ramezani Tousi, Masoud Ghods
Published Online: 15 Mar 2025DOI: 10.47974/JIM-1864 In this paper: V-Phenylenic nanotubes VPNTU[l,k] and nanotori VPNTO[l,k] are theoretically predicted carbon-based nanostructures with promising electronic and mechanical properties. While experimental synthesis rema...
Open Access
Research Article·pp. 95–106·Vol. 45, Issue 1Jan 2024
Jaber Ramezani Tousi, Masoud Ghods
Published Online: 05 Feb 2024DOI: 10.47974/JIOS-1284 In this paper: Graph polynomials based on distance and degree are helpful and necessary because they contain much information about topological indices. In this article, the general inverse sum indeg index and the g...
Open Access
Research Article·pp. 823–834·Vol. 44, Issue 5Jul 2023
Jaber Ramezani Tousi, Masoud Ghods
Published Online: 10 Oct 2023DOI: 10.47974/JIOS-1123 In this paper: One of the best and most widely used carbon structures is carbon nanotubes. The most important features of carbon nanotubes are high durability, flexibility and good conductivity. In this article, the...
Open Access
Research Article·pp. 845–854·Vol. 44, Issue 5Jul 2023
Jaber Ramezani Tousi, Masoud Ghods
Published Online: 10 Oct 2023DOI: 10.47974/JIOS-1127 In this paper: Titania nanotubes are one of the most essential and practical compounds in materials science that have many applications in the production of catalytic materials, gas sensors, biomedical devices, sola...
Open Access
A·pp. 207–216·Vol. 44, Issue 2Mar 2023
Jaber Ramezani Tousi, Masoud Ghods
Published Online: 01 Mar 2023DOI: 10.47974/JIOS-1130 In this paper: Graph theory has been used for modeling in chemistry. Titania nanotubes are one of the most essential and practical compounds in materials science that have many applications in the production of cata...
Open Access
Research Article·pp. 1623–1638·Vol. 26, Issue 6Sep 2023
Sirous Ghobadi, Masoud Ghods, Mobina Ghorbaninejad
Published Online: 24 May 2022DOI: 10.1080/09720529.2021.1923923 In this paper: Dendrimers are branching molecules that consist of a central part attached to tree-like branches which are repeatedly connected to each other. Topological indices of a molecular graph are real numbers...
Open Access
Research Article·pp. 967–976·Vol. 26, Issue 4Jun 2023
Seyyedeh Tahereh Jalali, Masoud Ghods
Published Online: 24 Feb 2022DOI: 10.1080/09720529.2021.1961896 In this paper: The topological index has transformed the chemical structure into a numeric number and they make a connection between chemistry and mathematics. In this paper, we compute Y-index for some special grap...
Open Access
Research Article·pp. 87–101·Vol. 26, Issue 1Feb 2021
Seyyedeh Tahereh Jalali, Masoud Ghods
Published Online: 27 Oct 2021DOI: 10.1080/09720529.2021.1914426 In this paper: The topological index has transformed the chemical structure into a numeric number and they make a connection between chemistry and mathematics. In this paper, we compute some certain topological indi...