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Graph transformations which preserve the multiplicity of an eigenvalue - MaRDI portal

Graph transformations which preserve the multiplicity of an eigenvalue (Q1917342)

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scientific article; zbMATH DE number 897428
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Graph transformations which preserve the multiplicity of an eigenvalue
scientific article; zbMATH DE number 897428

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    Graph transformations which preserve the multiplicity of an eigenvalue (English)
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    7 July 1996
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    Some results about graph transformations that preserve the multiplicity of a zero eigenvalue of the graph are generalized for eigenvalues of the form \(2\cos r\pi\), where \(r\) is a rational number with \(0< r< 1\).
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    graph transformations
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    eigenvalue
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