Title of article
Some properties of the Narumi–Katayama index
Author/Authors
Gutman، نويسنده , , Ivan and Ghorbani، نويسنده , , Modjtaba، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2012
Pages
4
From page
1435
To page
1438
Abstract
The Narumi–Katayama index of a graph G , denoted by N K ( G ) , is equal to the product of the degrees of the vertices of G . For various classes of graphs, we characterize the graphs G for which N K ( G ) assumes an extremal (minimal or maximal) value.
Keywords
Extremal graphs , Narumi–Katayama index , Degree (of vertex) , graph
Journal title
Applied Mathematics Letters
Serial Year
2012
Journal title
Applied Mathematics Letters
Record number
1528476
Link To Document