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Further results on hierarchical product of graphs

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Abstract

The hierarchical product of graphs was introduced very recently by L. Barriére et al. in [L. Barriére, F. Comellas, C. Dafló and M. A. Fiol, On the spectra of hypertrees, Linear Algebra Appl. 428 (2008) 1499–1510]. In this paper, some properties of the hierarchical product, as well as its extension under Szeged, revised Szeged and edge Szeged indices of graphs are studied.

Keywords

Hierarchical product
Szeged index
Revised Szeged index
Edge Szeged index

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