PI and Szeged Indices of some Benzenoid Graphs Related to Nanostructures

H. Yousefi-Azari1, B. Manoochehrian2, A.R. Ashrafi3
1Department of Mathematics, Statistics and Computer Science, University of Tehran, Tehran, Iran
2Academy for Education, Culture and Research, Tehran, Iran
3Department of Mathematics, Faculty of Science, University of Kashan, Kashan 87317-51167, Iran

Abstract

In this paper, we compute the PI and Szeged indices of some important classes of benzenoid graphs, which some of them are related to nanostructures. Some open questions are also included.