scientific article

zbMath0995.47005MaRDI QIDQ2717354

S. S. Boiko, Bernd Kirstein, Vladimir Kirillovich Dubovoj, Bernd Fritzsche

Publication date: 10 April 2002

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zbMATH Keywords

characteristic functionmodel operatorunilateral shiftisometricdefect functionunitary partsemiunitary operatorsorthogonal sum of subspaces

Mathematics Subject Classification ID

Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones) (47A56) Canonical models for contractions and nonselfadjoint linear operators (47A45) Operator colligations (= nodes), vessels, linear systems, characteristic functions, realizations, etc. (47A48)

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Schur parameters, Toeplitz matrices, and Kreĭn shorted operators ⋮ Minimal passive realizations of generalized Schur functions in Pontryagin spaces

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