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S. EDİZ1,*
Let G be a connected graph, the GA index (Geometric-Arithmetic index) is a topological index was defined as ( ) ( ) 1( ) 2 u v uv E G u v d d GA G ∈ d d = + Σ where u d denotes degree of u. Now we define a new version of GA index as 4 ( ) ( ) ( ) ( ) 1( ( ) ( )) 2 uv E G u v GA G u v ε ε ∈ ε ε = + Σ where ε (v) is the largest distance between v and any other vertex u of G or the eccentricity of v. In this paper an exact formula for the 4 GA index of an infinite class of nanostar dendrimers is given.
Dendrimer, Eccentricity, GA4 index.
S. EDİZ, Computing GA4 index of an infinite class of nanostar dendrimers, Optoelectronics and Advanced Materials - Rapid Communications, 4, 12, December 2010, pp.2198-2199 (2010).
Submitted at: Sept. 25, 2010
Accepted at: Nov. 29, 2010
Optoelectronics and Advanced Materials - Rapid Communications
(2024): Impact Factor = 0.4 - Journal Citation Reports (Clarivate Analytics, 2025)
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