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A note on new bounds for the Estrada Index.

Authors :
Rodríguez, Jonnathan
Source :
Linear Algebra & its Applications. Nov2019, Vol. 580, p121-127. 7p.
Publication Year :
2019

Abstract

Let G be a graph on n vertices and λ 1 , λ 2 , ... , λ n their eigenvalues. The Estrada index of G is defined as E E (G) = ∑ i = 1 n e λ i . In this paper, we obtain new upper and lower bounds on the Estrada Index of a given graph, considering numerical inequalities present in the literature. [ABSTRACT FROM AUTHOR]

Subjects

Subjects :
*MATHEMATICAL equivalence

Details

Language :
English
ISSN :
00243795
Volume :
580
Database :
Academic Search Index
Journal :
Linear Algebra & its Applications
Publication Type :
Academic Journal
Accession number :
138031354
Full Text :
https://doi.org/10.1016/j.laa.2019.06.022
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