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۱On terminal Wiener indices of kenograms and plerograms
نویسنده(ها): ، ، ،
اطلاعات انتشار: Iranian Journal of Mathematical Chemistry، چهارم،شماره۱، ۲۰۱۳، سال
تعداد صفحات: ۱۳
Whereas there is an exact linear relation between the Wiener indices of kenograms and plerograms of isomeric alkanes, the respective terminal Wiener indices exhibit a completely different behavior: Correlation between terminal Wiener indices of kenograms and plerograms is absent, but other regularities can be envisaged. In this article, we analyze the basic properties of terminal Wiener indices of kenograms and plerograms.

۲Three–center Harary index and its applications
نویسنده(ها): ، ،
اطلاعات انتشار: Iranian Journal of Mathematical Chemistry، هفتم،شماره۱، ۲۰۱۶، سال
تعداد صفحات: ۸
The Harary index H can be viewed as a molecular structure descriptor composed of increments representing interactions between pairs of atoms, such that their magnitude decreases with the increasing distance between the respective two atoms. A generalization of the Harary index, denoted by Hk, is achieved by employing the Steiner–type distance between k–tuples of atoms. We show that the linear combination H+x H3 is significantly better correlated with a variety of physico–chemical properties of alkanes than H itself.
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