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.
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| Format: | Article |
| Language: | English |
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Republic of Armenia National Academy of Sciences
2017-12-01
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| Series: | Armenian Journal of Mathematics |
| Online Access: | http://armjmath.sci.am/index.php/ajm/article/view/151 |
| Summary: | 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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| ISSN: | 1829-1163 |