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Croatica Chemica Acta, Vol. 86 No. 4, 2013.

Izvorni znanstveni članak
https://doi.org/10.5562/cca2329

On the Narumi-Katayama Index of Composite Graphs

Mohammad Ali Hosseinzadeh ; Department of Mathematics, Faculty of Mathematical Sciences, Tarbiat Modares University, P.O. Box:14115-137, Tehran, Iran
Ali Iranmanesh ; Department of Mathematics, Faculty of Mathematical Sciences, Tarbiat Modares University, P.O. Box:14115-137, Tehran, Iran
Tomislav Došlić ; Faculty of Civil Engineering, University of Zagreb, Kačićeva 26, 10000 Zagreb, Croatia

Puni tekst: engleski, pdf (1 MB) str. 503-508 preuzimanja: 739* citiraj
APA 6th Edition
Hosseinzadeh, M.A., Iranmanesh, A. i Došlić, T. (2013). On the Narumi-Katayama Index of Composite Graphs. Croatica Chemica Acta, 86 (4), 503-508. https://doi.org/10.5562/cca2329
MLA 8th Edition
Hosseinzadeh, Mohammad Ali, et al. "On the Narumi-Katayama Index of Composite Graphs." Croatica Chemica Acta, vol. 86, br. 4, 2013, str. 503-508. https://doi.org/10.5562/cca2329. Citirano 25.02.2021.
Chicago 17th Edition
Hosseinzadeh, Mohammad Ali, Ali Iranmanesh i Tomislav Došlić. "On the Narumi-Katayama Index of Composite Graphs." Croatica Chemica Acta 86, br. 4 (2013): 503-508. https://doi.org/10.5562/cca2329
Harvard
Hosseinzadeh, M.A., Iranmanesh, A., i Došlić, T. (2013). 'On the Narumi-Katayama Index of Composite Graphs', Croatica Chemica Acta, 86(4), str. 503-508. https://doi.org/10.5562/cca2329
Vancouver
Hosseinzadeh MA, Iranmanesh A, Došlić T. On the Narumi-Katayama Index of Composite Graphs. Croatica Chemica Acta [Internet]. 2013 [pristupljeno 25.02.2021.];86(4):503-508. https://doi.org/10.5562/cca2329
IEEE
M.A. Hosseinzadeh, A. Iranmanesh i T. Došlić, "On the Narumi-Katayama Index of Composite Graphs", Croatica Chemica Acta, vol.86, br. 4, str. 503-508, 2013. [Online]. https://doi.org/10.5562/cca2329

Sažetak
The Narumi-Katayama index of a graph G, denoted by N K(G), is equal to the product of degrees
of vertices of G. In this paper we investigate its behavior under several binary operations on graphs. We
present explicit formulas for its values for composite graphs in terms of its values for operands and some
auxiliary invariants. We demonstrate applications of our results to several chemically relevant classes of
graphs and show how the Narumi-Katayama index can be used as a measure of graph irregularity. (doi:
10.5562/cca2329)

Ključne riječi
Narumi-Katayama index; composite graph; graph product

Hrčak ID: 112790

URI
https://hrcak.srce.hr/112790

Posjeta: 1.032 *