Extremal polygonal chains on k-matchings ∗
Extremal polygonal chains on k-matchings ∗
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通讯作者:
Yuefen Cao
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作者:
Yuefen Cao
“k-matching” of a graph G is a set of k independent edges of G. The sum of k-matching of G is nowadays commonly called the Hosoya index. Denote by An the set of h-polygonal chains with n congruent regular h-polygons (h greater than 4). In this paper, we determine the the extremal polygon chains on k-matchings in the set of molecular graphs An. Thus we extend the main results (for h = 6) of [9], [10], and [11] to a more general case.