Ball, Joseph. <br/><br/>
Factorization and Model Theory for Contraction Operators with Unitary Part. 

 - 1st ed. 
 - 1 online resource (78 pages) 
 - Memoirs of the American Mathematical Society ;  v.13 .
 - Memoirs of the American Mathematical Society .
<br/><br/>Intro -- 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. 
<br/><br/><label>ISBN: </label>9781470402037 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contraction operators.<br/>Factorization of operators.<br/>Model theory.<br/>Hilbert space.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>QA329.2 -- .B35 1978eb 
<br/><br/><label>Dewey Class. No.: </label>510/.8 s;515/.72