Title of article :
On the first Zagreb Index of Polygraphs
Author/Authors :
Shabani، نويسنده , , Hossein and Kahkeshani، نويسنده , , Reza، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2014
Abstract :
One of the most popular topological indices is the Zagreb index, introduced by Gutman and Trinajstic in 1972, which is the sum of squares of degree sequence of a (chemical) graph G. In this paper, we obtain an upper bound for the Zagreb index of polygraphs, rotagraphs and fasciagraphs.
Keywords :
Zagreb index , Polygraph , Fasciagraph , Rotagraph
Journal title :
Electronic Notes in Discrete Mathematics
Journal title :
Electronic Notes in Discrete Mathematics