Isospectral flows that preserve matrix s
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G.M.L. Gladwell; Oscar Rojo
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Article
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2007
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Elsevier Science
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English
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The matrix A = (a ij )โS n is said to lie on a strict undirected graph maintains the spectrum of A. We consider isospectral flows that maintain a matrix A(t) on a given graph G. We review known results for a graph G that is a (generalised) path, and construct isospectral flows for a (generalised) r