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Publication:2702460
zbMath0989.46009MaRDI QIDQ2702460
Hassi, Seppo, Hendrik S. V. de Snoo, Vladimir A. Derkach
Publication date: 22 July 2002
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Perturbation theory of linear operators (47A55) Linear symmetric and selfadjoint operators (unbounded) (47B25) Linear operator methods in interpolation, moment and extension problems (47A57) Spaces with indefinite inner product (Kre?n spaces, Pontryagin spaces, etc.) (46C20)
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On the convergence of Padé approximations for generalized Nevanlinna functions ⋮ Some propositions on generalized Nevanlinna functions of the class \(\mathcal N_k\) ⋮ Rank one perturbations at infinite coupling in Pontryagin spaces. ⋮ Factorization of \(J\)-unitary matrix polynomials on the line and a Schur algorithm for generalized Nevanlinna functions ⋮ Darboux transformations of Jacobi matrices and Padé approximation ⋮ An operator approach to multipoint Padé approximations ⋮ Rank one perturbations in a Pontryagin space with one negative square
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