Eigenvectors of isospectral graph transformations

L.A. Bunimovich and B.Z. Webb developed a theory for isospectral graph reduction. We make a simple observation regarding the relation between eigenvectors of the original graph and its reduction, that sheds new light on this theory. As an application we propose an updating algorithm for the maximal...

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Detalhes bibliográficos
Autor principal: Duarte, P. (author)
Outros Autores: Torres, M. J. (author)
Formato: article
Idioma:eng
Publicado em: 2015
Assuntos:
Texto completo:http://hdl.handle.net/1822/36662
País:Portugal
Oai:oai:repositorium.sdum.uminho.pt:1822/36662
Descrição
Resumo:L.A. Bunimovich and B.Z. Webb developed a theory for isospectral graph reduction. We make a simple observation regarding the relation between eigenvectors of the original graph and its reduction, that sheds new light on this theory. As an application we propose an updating algorithm for the maximal eigenvector of the Markov matrix associated to a large sparse dynamical network.