ON ZAGREB COINDEX POLYNOMIALS FOR SOME SPECIALGRAPHS

Authors

  • Aliyu Ibrahim Kiri Author
  • Aliyu Suleiman Author

Keywords:

Zagreb Index, Zagreb Polynomial, Wheel, Path, Complete Graph, Complete bipartite graph

Abstract

Zagreb polynomial is a polynomial in which the power of the indeterminate is a Zagreb index, Zagreb index is a graph invariant as it remains fixed under graph homomorphism. The complement of a graph is needed to compute the Zagreb coindex as well as the polynomial. In this paper we looked at the size of the complement graphs under consideration and the formulae for their Zagreb coindex polynomials.The graphs are cycle Cn, wheel Wn, path Pn, complete graph Kn and the complete bipartite graph Km,n.

Author Biographies

  • Aliyu Ibrahim Kiri


    Department of Mathematics, Faculty of Physical Sciences, Bayero University, Kano, Nigeria.


  • Aliyu Suleiman


    Department of Mathematics, Faculty of Science, Air Force Institute of Technology, Kaduna, Nigeria.

Published

2026-10-20

Issue

Vol. 3 No. 1 (2023): UNILAG Journal Of Mathematics and Applications

Section

Articles