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On coindices of graphs and their complements

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  • Gutman, Ivan

Abstract

It was recently discovered (Gutman et al., 2015) that the coindex of the first Zagreb index of any graph is equal to the coindex of the complement of this graph. We examine the possibility that an analogous equality holds for other topological indices. It is shown that there are several classes of graphs and classes of topological indices for which such a relation is obeyed.

Suggested Citation

  • Gutman, Ivan, 2017. "On coindices of graphs and their complements," Applied Mathematics and Computation, Elsevier, vol. 305(C), pages 161-165.
    • Handle: RePEc:eee:apmaco:v:305:y:2017:i:c:p:161-165
    DOI: 10.1016/j.amc.2017.02.009
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    Cited by:

    1. Lkhagva Buyantogtokh & Batmend Horoldagva & Kinkar Chandra Das, 2020. "On reduced second Zagreb index," Journal of Combinatorial Optimization, Springer, vol. 39(3), pages 776-791, April.

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