@techreport{e81564b385d14b8687cf126930d00607,
title = "On the Sum of Laplacian Eigenvalues of Graphs",
abstract = "AMS Subject Classification: 05C50, 15A42.",
keywords = "Laplacian eigenvalues of a graph, Sum of eigenvalues, Largest eigenvalue",
author = "W.H. Haemers and A. Mohammadian and B. Tayfeh-Rezaie",
note = "Subsequently published in Linear Algebra and its Applications, 2010 Pagination: 10",
year = "2008",
language = "English",
volume = "2008-98",
series = "CentER Discussion Paper",
publisher = "Operations research",
type = "WorkingPaper",
institution = "Operations research",
}