scientific article; zbMATH DE number 5252242

zbMath1146.30018arXivmath/0701106MaRDI QIDQ5448144

Alexander Kheifets, Vladimir Bolotnikov

Publication date: 20 March 2008

Full work available at URL: https://arxiv.org/abs/math/0701106

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zbMATH Keywords

unitary extensionsangular derivativescharacteristic function of a unitary colligation

Mathematics Subject Classification ID

Linear operator methods in interpolation, moment and extension problems (47A57) Dilations, extensions, compressions of linear operators (47A20) Moment problems and interpolation problems in the complex plane (30E05) Hilbert spaces with reproducing kernels (= (proper) functional Hilbert spaces, including de Branges-Rovnyak and other structured spaces) (46E22) Operator colligations (= nodes), vessels, linear systems, characteristic functions, realizations, etc. (47A48)

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