Oboudi-Type Bounds for Graph Energy

Document Type : Original Scientific Paper


‎Faculty of Science‎, ‎‎University of Kragujevac‎, ‎‎P‎. ‎O‎. ‎Box 60‎, ‎34000 Kragujevac‎, ‎Serbia


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.


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