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DC Field | Value | Language |
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dc.rights.license | restrictedAccess | - |
dc.contributor.author | das, kinkar | - |
dc.contributor.author | Xu, Kexiang | - |
dc.contributor.author | Gutman, Ivan | - |
dc.date.accessioned | 2021-04-20T16:08:06Z | - |
dc.date.available | 2021-04-20T16:08:06Z | - |
dc.date.issued | 2012 | - |
dc.identifier.issn | 0024-3795 | - |
dc.identifier.uri | https://scidar.kg.ac.rs/handle/123456789/10585 | - |
dc.description.abstract | Let G be a connected graph of order n with Laplacian eigenvalues μ1≥ μ2≥⋯≥μn- 1> μn=0. The Kirchhoff index and the Laplacian-energy-like invariant of G are defined as Kf=n∑k=1n-11/ μk and LEL=∑k=1n-1 μk, respectively. We compare Kf and LEL and establish two sufficient conditions under which LEL<Kf. The connected graphs of order n with nine greatest Kirchhoff indices are determined; for these LEL>Kf holds. © 2011 Elsevier Inc. All rights reserved. | - |
dc.rights | info:eu-repo/semantics/restrictedAccess | - |
dc.source | Linear Algebra and Its Applications | - |
dc.title | Comparison between Kirchhoff index and the Laplacian-energy-like invariant | - |
dc.type | article | - |
dc.identifier.doi | 10.1016/j.laa.2012.01.002 | - |
dc.identifier.scopus | 2-s2.0-84858000648 | - |
Appears in Collections: | Faculty of Science, Kragujevac |
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PaperMissing.pdf Restricted Access | 29.86 kB | Adobe PDF | View/Open |
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