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Appears in Collections:Computing Science and Mathematics Journal Articles
Peer Review Status: Refereed
Title: Graphs for which the least eigenvalue is minimal, II
Author(s): Bell, Francis K
Cvetkovic, Dragos
Rowlinson, Peter
Simic, Slobodan K
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Keywords: Bipartite graph
Graph spectrum
Largest eigenvalue
Least eigenvalue
Issue Date: Oct-2008
Date Deposited: 30-Jan-2014
Citation: Bell FK, Cvetkovic D, Rowlinson P & Simic SK (2008) Graphs for which the least eigenvalue is minimal, II. Linear Algebra and Its Applications, 429 (8-9), pp. 2168-2179.
Abstract: We continue our investigation of graphs G for which the least eigenvalue ?(G) is minimal among the connected graphs of prescribed order and size. We provide structural details of the bipartite graphs that arise, and study the behaviour of ?(G) as the size increases while the order remains constant. The non-bipartite graphs that arise were investigated in a previous paper [F.K. Bell, D. Cvetkovic', P. Rowlinson, S.K. Simic', Graphs for which the least eigenvalue is minimal, I, Linear Algebra Appl. (2008), doi: 10.1016/j.laa.2008.02.032]; here we distinguish the cases of bipartite and non-bipartite graphs in terms of size. Erratum is published in: Richard A Brualdi, 'From the Editor-in-Chief', Linear Algebra Applications, 432(1) pp.1-6, 01/2010  
DOI Link: 10.1016/j.laa.2008.06.018
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