Armenian Journal of Mathematics, 9(2)
2017; 93–100
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On Characteristic Function of a Contraction, Its Model and Function of Strauss

Received: 2024-12-18 · Published: 2017-12-26

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Original title
On Characteristic Function of a Contraction, Its Model and Function of Strauss
Author
Perch MelikAdamyan
Source journal
Armenian Journal of Mathematics, 9(2)
Published
2017-12-26
Licence
Creative Commons Attribution 4.0 International
Original
https://armjmath.sci.am/index.php/ajm/article/view/151

Abstract

It is shown that Nagy-Foias characteristic function of a completely nonunitary contraction and a variant of its functional model can be presented by means of projection-valued analytic operator function, arising in the presentation theory of A.V.~Strauss.
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