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Title: Spectral upper bounds on the size of k-regular induced subgraphs
Author: Cardoso, D.M.
Pinheiro, S.J.
Keywords: 2-factors
graph spectra
independent sets
induced matchings
programming involving graphs
Issue Date: 2009
Publisher: Elsevier
Abstract: Convex quadratic programming upper bounds on the size of k-regular induced subgraphs are analyzed and a necessary and sufficient condition for such upper bounds being tight is introduced. Based on this approach, new spectral upper bounds on the order of maximum size k-regular induced subgraphs are deduced. Related open problems and a few computational experiments are presented. © 2009 Elsevier B.V. All rights reserved.
Peer review: yes
ISSN: 1571-0653
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Appears in Collections:MAT - Artigos

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