Reducing complex matrices to condensed forms by unitary congruence transformations (Q942078)
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scientific article; zbMATH DE number 5319863
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Reducing complex matrices to condensed forms by unitary congruence transformations |
scientific article; zbMATH DE number 5319863 |
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Reducing complex matrices to condensed forms by unitary congruence transformations (English)
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3 September 2008
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The author proves constructively that any \(n \times n\) conjugate-normal matrix can be brought by a unitary congruence transformation to block-tridiagonal form with the orders of the consecutive diagonal blocks not exceeding 1, 2, 3, \dots, respectively.
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Hermitian matrix
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conjugate-normal matrix
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unitary congruence transformation
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block-tridiagonal form
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Hessenberg form
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Krylov subspace
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