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Factorization and model theory for contraction operators with unitary part / [electronic resource] Joseph A. Ball.

By: Material type: TextTextSeries: Memoirs of the American Mathematical Society ; no. 198.Publication details: Providence : American Mathematical Society, 1978.Description: 1 online resource (iii, 68 p.)ISBN:
  • 9781470402037 (online)
Subject(s): Additional physical formats: Factorization and model theory for contraction operators with unitary part /DDC classification:
  • 510/.8 s 515/.72
LOC classification:
  • QA3 .A57 no. 198 QA329.2
Online resources:
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 $T_u$ 7. A perturbation problem: the operator $L = U(I-L_0)$ 8. Multiplicity theory for $U$ 9. Comparison of $U_{ac}$ with $L_u$ 10. Concluding remarks
Item type: E-BOOKS
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IMSc Library Link to resource Available EBK12651

"Volume 13, issue 1."

Bibliography: p. 68.

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 $T_u$ 7. A perturbation problem: the operator $L = U(I-L_0)$ 8. Multiplicity theory for $U$ 9. Comparison of $U_{ac}$ with $L_u$ 10. Concluding remarks

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Electronic reproduction. Providence, Rhode Island : American Mathematical Society. 2012

Mode of access : World Wide Web

Description based on print version record.

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