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  • The Graovac-Pisanski index of zig-zag tubulenes and the generalized cut method
    Tratnik, Niko
    The Graovac-Pisanski index, which is also called the modified Wiener index, was introduced in 1991 by Graovac and Pisanski. This variation of the classical Wiener index takes into account the ... symmetries of a graph. In 2016 Ghorbani and Klavžar calculated this index by using the cut method, which we generalize in this paper. Moreover, we prove that in some cases the automorphism group of a zig-zag tubulene is isomorphic to the direct product of a dihedral group and a cyclic group. Finally, the closed formulas for the Graovac-Pisanski index of zig-zag tubulenes are calculated.
    Vir: Journal of mathematical chemistry. - ISSN 0259-9791 (Vol. 55, iss. 8, 2017, str. 1622-1637)
    Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasle
    Leto - 2017
    Jezik - angleški
    COBISS.SI-ID - 23043080
    DOI

vir: Journal of mathematical chemistry. - ISSN 0259-9791 (Vol. 55, iss. 8, 2017, str. 1622-1637)
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