Title of article :
Bounds on the Estrada index of ISR -fullerenes
Author/Authors :
Ashrafi، نويسنده , , A.R. and Fath-Tabar، نويسنده , , G.H.، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2011
Abstract :
Suppose G is a graph and λ 1 , λ 2 , … λ n are the eigenvalues of G . The Estrada index E E ( G ) of G is defined as the sum of the terms e λ i , 1 ≤ i ≤ n . In this work some upper and lower bounds for the Estrada index of ( 4 , 6 ) -fullerene graphs are presented.
Keywords :
Estrada index , ( 4 , 6 ) -fullerene , Eigenvalue
Journal title :
Applied Mathematics Letters
Journal title :
Applied Mathematics Letters