Unitary interpolants and factorization indices of matrix functions.
DOI10.1006/jfan.2000.3668zbMath1043.47016arXivmath/0101224OpenAlexW2018561613MaRDI QIDQ5927506
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Publication date: 2001
Published in: Journal of Functional Analysis (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/math/0101224
monotone thematic factorizationsuperoptimal approximationsuperoptimal singular valuesthematic indicesWiener-Hopf factorization indices
Toeplitz operators, Hankel operators, Wiener-Hopf operators (47B35) Functions whose values are linear operators (operator- and matrix-valued functions, etc., including analytic and meromorphic ones) (47A56) Factorization theory (including Wiener-Hopf and spectral factorizations) of linear operators (47A68) Linear operator methods in interpolation, moment and extension problems (47A57)
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