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Graduate Seminar University of Regina

Summary: Graduate Seminar
University of Regina
Department of Mathematics & Statistics
Speaker: Mike Cavers
University of Regina
Title: On the energy of graphs
Date: Tuesday December 1, 2009
Time: 1:00 p.m.
Place: Math & Stats Lounge (CW 307.20)
The concept of the energy of a graph was defined by Ivan Gutman in
1978 and originates from theoretical chemistry. To determine the
energy of a graph, we essentially add up the eigenvalues (in absolute
value) of the adjacency matrix of a graph. The leading open problem
is: ``Which graph on n vertices has the maximum energy?''
We first give an overview of some of the techniques that have been
used to tackle this problem and then turn our attention to a similar
Recently, the Laplacian energy, distance energy, incidence energy and
signless Laplacian energy has received much interest. For the


Source: Argerami, Martin - Department of Mathematics and Statistics, University of Regina


Collections: Mathematics