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Record Nr. |
UNINA9910828121803321 |
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Autore |
Ball Joseph A. <1947-> |
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Titolo |
Factorization and model theory for contraction operators with unitary part / / Joseph A. Ball |
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Pubbl/distr/stampa |
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Providence : , : American Mathematical Society, , [1978] |
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©1978 |
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ISBN |
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Descrizione fisica |
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1 online resource (78 p.) |
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Collana |
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Memoirs of the American Mathematical Society ; ; number 198 |
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Disciplina |
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Soggetti |
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Contraction operators |
Factorization of operators |
Model theory |
Hilbert space |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Nota di bibliografia |
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Nota di contenuto |
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""Table of Contents""; ""Introduction""; ""1. Function models for completely nonunitary contractions""; ""2. Function models for unitary operators""; ""3. Factorization and invariant subspaces""; ""4. Operator nodes and characteristic functions""; ""5. Factorization of nodes and invariant subspaces""; ""6. Spectral invariants for T[sub(u)]""; ""7. A perturbation problem: the operator L = U(I-L[sub(0)])""; ""8. Multiplicity theory for U""; ""9. Comparison of U[sub(ac)] with L[sub(u)]""; ""10. Concluding remarks""; ""References"" |
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