On Characteristic Function of a Contraction, Its Model and Function of Strauss
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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2017-12-26
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On Characteristic Function of a Contraction, Its Model and Function of Strauss. (2017). Armenian Journal of Mathematics, 9(2), 93-101. https://armjmath.sci.am/index.php/ajm/article/view/151