On Characteristic Function of a Contraction, Its Model and Function of Strauss
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.
Main Author: | |
---|---|
Format: | Article |
Language: | English |
Published: |
Republic of Armenia National Academy of Sciences
2017-12-01
|
Series: | Armenian Journal of Mathematics |
Online Access: | http://armjmath.sci.am/index.php/ajm/article/view/151 |