Title of article
On the harmonic index of graph operations
Author/Authors
-، - نويسنده Don Bosco Institute of Technology, Bangalore-78, India Shwetha Shetty, B. , -، - نويسنده Dept.of Mathematics, VSK University,Bellary Karnataka Lokesha, V. , -، - نويسنده Don Bosco Institute of Technology, Bangalore-78, India Ranjini, P. S.
Issue Information
فصلنامه با شماره پیاپی 0 سال 2015
Pages
10
From page
5
To page
14
Abstract
-
Abstract
The harmonic index of a connected graph $G$, denoted by $H(G)$, is defined as $H(G)=sum_{uvin E(G)}frac{2}{d_u+d_v}$ where $d_v$ is the degree of a vertex $v$ in G. In this paper, expressions for the Harary indices of the join, corona product, Cartesian product, composition and symmetric difference of graphs are derived.
Journal title
Transactions on Combinatorics
Serial Year
2015
Journal title
Transactions on Combinatorics
Record number
2344004
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