A new algorithm for computing distance matrix and Wiener index of zig-zag polyhex nanotubes
1 Institute for Nanoscience and Nanotechnology, University of Kashan, Kashan, Iran
2 Center for Space Studies, Malek-Ashtar University of Technology, Tehran, Iran
Nanoscale Research Letters 2007, 2:202-206 doi:10.1007/s11671-007-9051-yPublished: 10 April 2007
The Wiener index of a graph G is defined as the sum of all distances between distinct vertices of G. In this paper an algorithm for constructing distance matrix of a zig-zag polyhex nanotube is introduced. As a consequence, the Wiener index of this nanotube is computed.