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Generalized Wiener indices of zigzagging pentachains |
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| Authors: | Ivan Gutman Weigen Yan Yeong-Nan Yeh Bo-Yin Yang |
| Institution: | (1) Faculty of Science, University of Kragujevac, P. O. Box 60, 34000 Kragujevac, Serbia & Montenegro;(2) Institute of Mathematics, Academia Sinica, Nankang, Taipei, Taiwan;(3) Department of Mathematics, Tamkang University, Tamsui, Taiwan |
| Abstract: | The “pentachains” studied in this paper are graphs formed of concatenated 5-cycles. Explicit formulas are obtained for the Schultz and modified Schultz indices of these graphs, as well as for generalizations of these indices. In the process we give a more refined version of the procedure that earlier was reported for the ordinary Wiener index. |
| Keywords: | Wiener index Schultz index pentagonal chains |
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