scientific article
From MaRDI portal
Publication:3200089
zbMath0714.47018MaRDI QIDQ3200089
Publication date: 1990
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
multiplicity of the singular numberpoints of continuity of an operator of best approximationself-adjoint Hankel operatorsuniform norm on the unit circle
Best approximation, Chebyshev systems (41A50) Riesz operators; eigenvalue distributions; approximation numbers, (s)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators (47B06) Toeplitz operators, Hankel operators, Wiener-Hopf operators (47B35)
Related Items
The inverse spectral problem for selfadjoint Hankel operators ⋮ Functions of pairs of unbounded noncommuting self-adjoint operators under perturbation ⋮ An index formula in connection with meromorphic approximation ⋮ Boundedness properties of the operators of best approximation by analytic and meromorphic functions ⋮ Factorization and approximation problems for matrix functions
