A new concept for block operator matrices: The quadratic numerical range (Q5940028)
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scientific article; zbMATH DE number 1623823
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A new concept for block operator matrices: The quadratic numerical range |
scientific article; zbMATH DE number 1623823 |
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A new concept for block operator matrices: The quadratic numerical range (English)
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24 November 2002
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block operator matrix
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quadratic numerical range
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Schur complement
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angular operator
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Riccati equation
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spectral inclusion theorem
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resolvent
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factorization
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invariant subspaces
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block diagonalization
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