Redefined Zagreb indices of Rhombic, triangular, Hourglass and Jagged-rectangle benzenoid systems

• Mohammed, Mohanad A. ^[3] ; Haoer, Raad ^[3] ; Ali, Ashaq ^[1] ; Ahmad, Maqbool ^[1] ; Farahani, Mohammad Reza ^[2] ; Nazeer, Saima ^[4]
  1. [1] University of Lahore

     University of Lahore

     Pakistán

     
  2. [2] Iran University of Science and Technology

     Iran University of Science and Technology

     Irán

     
  3. [3] Open Educational College.
  4. [4] Lahore College for Woman University.

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• Localización: Proyecciones: Journal of Mathematics, ISSN 0716-0917, ISSN-e 0717-6279, Vol. 39, Nº. Extra 4, 2020 (Ejemplar dedicado a: Special Issue: Mathematical Computation in Combinatorics and Graph Theory; i), págs. 851-867
• Idioma: inglés
• DOI: 10.22199/issn.0717-6279-2020-04-0053
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• Resumen

  • In the fields of mathematical chemistry and chemical graph theory, a topological index generally called a connectivity index is a kind of a molecular descriptor that is calculated in perspective of the molecular graph of a chemical compound. Topological indices are numerical parameters of a graph which depict its topology and are graph invariant up to graph isomorphism. Topological indices are used for example in the progression of quantitative structure-activity relationships (QSARs) in which the common activity or distinctive properties of atoms are connected with their molecular structure. There are in excess of 140 topological indices but none of them totally describe the molecular compound completely so there is dependably a space to characterize and register new topological indices. Benzenoid Systems are utilized basically as an intermediate to make different synthetic compounds. In this report we aim to compute redefined Zagreb indices for Zigzag, Rhombic, triangular, Hourglass and Jagged-rectangle Benzenoid systems.

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