An isometry plus a nilpotent operator is an \(m\)-isometry. Applications (Q2257684)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | An isometry plus a nilpotent operator is an \(m\)-isometry. Applications |
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An isometry plus a nilpotent operator is an \(m\)-isometry. Applications (English)
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26 February 2015
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The authors of the article under review prove that, if an isometry \(A\) and a nilpotent operator \(Q\) of order \(n\) commute, then \(A + Q\) is a strict \((2n-1)\)-isometry.
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isometry
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\(m\)-isometry
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nilpotent operator
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spectrum
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weighted shift operator
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supercyclic operator
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\(N\)-supercyclic operator
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Jordan operator
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sub-Jordan operator
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