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Distribution of subdominant eigenvalues of random matrices - MaRDI portal

Distribution of subdominant eigenvalues of random matrices (Q1594519)

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scientific article; zbMATH DE number 1559476
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English
Distribution of subdominant eigenvalues of random matrices
scientific article; zbMATH DE number 1559476

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    Distribution of subdominant eigenvalues of random matrices (English)
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    30 October 2001
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    Random matrices \(B\) of increasing size \(n\times n\) with independent entries having expectations \(1/n\) and variance not greater \(c/n^2\) are considered, where \(c\geq 0\) is a constant. It is shown that for any \(\varepsilon>0\) and positive \(p<1\) there exists a number \(n_0=n_0 (\varepsilon, p)\) such that for all \(n>n_0\) the spectral radius of \(B\) is \(\varepsilon\)-close to 1, while \(n-1\) eigenvalues of \(B\) lie in an open disc of radius \(\varepsilon\) around 0 in the complex plane with the probability \(p'>p\).
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    eigenvalue distribution
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    limit spectrum
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    random matrices
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    spectral radius
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