Title of article :
Oboudi-Type Bounds for Graph Energy
Author/Authors :
Gutman, Ivan Faculty of Science - University of Kragujevac, Kragujevac, Serbia
Abstract :
The graph energy is the sum of absolute values of the eigenvalues of the (0, 1)-adjacency matrix. Oboudi recently obtained lower bounds for graph energy, depending on the largest and smallest graph eigenvalue. In this paper, a few more Oboudi-type bounds are deduced.
Keywords :
Spectral graph theory , spectrum (of graph) , graph energy , energy (of graph)