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On bipartite graphs with small number of laplacian eigenvalues greater than two and three
Authors:Miroslav Petrovi?  Ivan Gutman  Mirko Lepovi?  Bojana Mileki?
Institution:Faculty of science , University of Kragujevac , P.O.Box 60, Kragujevac, YU, 34000, Yugoslavia
Abstract:All connected bipartite graphs with exactly two Laplacian eigenvalues greater than two are determined. Besides, all connected bipartite graphs with exactly one Laplacian eigenvalue greater than three are determined.
Keywords:Graph spectral theory  Laplacian spectrum  eigenvalue(of graph)  Laplacian eigenvalues  AMS (1980) Subject Classification: 05C50
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