PI indices of pericondensed benzenoid graphs
β Scribed by Hanyuan Deng; Shubo Chen
- Publisher
- Springer
- Year
- 2006
- Tongue
- English
- Weight
- 267 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0259-9791
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π SIMILAR VOLUMES
The Padmakar-Ivan index of a graph G is the sum over all edges uv of G of number of edges which are not equidistant from u and v. In this work, an exact expression for the PI index of the Cartesian product of bipartite graphs is computed. Using this formula, the PI indices of C 4 nanotubes and nanot
A S? stcmaric ropolo~ical approach to the starch for regukrities In molecular properties has been proposed on the basis of the so-c.~llod Con:prubiiir\_r graphs of isvrncric clnsscs of molecules. It is shown that the ordering of the isomeric benzenoid 11) drowrbuns in the comp.xJbiiit& grqhs coincid