Please use this identifier to cite or link to this item: http://hdl.handle.net/10773/5107
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dc.contributor.authorCardoso, Domingos M.pt
dc.contributor.authorMartins, Enide Andradept
dc.contributor.authorRobbiano, Mariapt
dc.contributor.authorTrevisan, Vilmarpt
dc.date.accessioned2012-01-13T12:44:34Z-
dc.date.issued2012-
dc.identifier.issn0166-218Xpt
dc.identifier.urihttp://hdl.handle.net/10773/5107-
dc.description.abstractIn this paper we give a simple characterization of the Laplacian spectra of a family of graphs as the eigenvalues of symmetric tridiagonal matrices. In addition, we apply our result to obtain upper and lower bounds for the Laplacian-energy-like invariant of these graphs. The class of graphs considered are obtained from copies of modified generalized Bethe trees (obtained by joining the vertices at some level by paths), identifying their roots with the vertices of a regular graph or a path.pt
dc.description.sponsorshipCenter for Research and Development in Mathematics and Applicationspt
dc.description.sponsorshipFCTpt
dc.description.sponsorshipFEDER/POCI 2010pt
dc.description.sponsorshipFondecyt-IC Project 11090211pt
dc.description.sponsorshipCNPq—Grants 309531/2009-8pt
dc.description.sponsorshipCNPq—Grants 473815/2010-9pt
dc.language.isoengpt
dc.publisherElsevierpt
dc.relationhttp://dx.doi.org/10.1016/j.dam.2011.04.002pt
dc.relation.urihttp://www.scopus.com/inward/record.url?eid=2-s2.0-79955137776&partnerID=40&md5=5f6219c30d5ad17093b1075e12d2b8e5-
dc.rightsrestrictedAccesspor
dc.subjectGeneralized Bethe treept
dc.subjectLaplacian matrixpt
dc.subjectLaplacian-energy-like invariantpt
dc.titleComputing the Laplacian spectra of some graphspt
dc.typearticlept
dc.peerreviewedyespt
ua.distributioninternationalpt
degois.publication.firstPage2645-
degois.publication.issue18-
degois.publication.lastPage2654-
degois.publication.titleDiscrete Applied Mathematicspt
degois.publication.volume160-
dc.date.embargo10000-01-01-
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DMat - Artigos

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