The evaluation of spectral moments for molecular graphs of phenylenes |
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| Authors: | Svetlana Marković Aleksandra Stajković |
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| Affiliation: | (1) Faculty of Science, University of Kragujevac, P.O. Box 60, Yu-34000 Kragujevac, Yugoslavia, YU |
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| Abstract: | The evaluation of some spectral moments for phenylenes is considered. Explicit topological formulae for the fourth, sixth and eighth moments are derived. This was achieved by adopting the method of Hall [1], which was originally applied to benzenoid systems, and applying it to molecular graphs of phenylenes. It is shown that the moments considered in this paper can be expressed in terms of three mutually independent graphical invariants. Received: 17 October 1996 / Accepted: 18 April 1997 |
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| Keywords: | : Phenylenes Graphical invariants Spectral moments |
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