Analytic approximation of matrix functions and dual extremal functions

DOI10.1090/S0002-9939-08-09623-8zbMath1158.30027arXiv0711.2771MaRDI QIDQ3600600

Vladimir V. Peller

Publication date: 5 February 2009

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/0711.2771

zbMATH Keywords

badly approximable matrix functionHankel operatorbest approximationdual extremal functionmaximizing vector

Mathematics Subject Classification ID

Spaces of vector- and operator-valued functions (46E40) Toeplitz operators, Hankel operators, Wiener-Hopf operators (47B35) Approximation in the complex plane (30E10)

Related Items

On the sum of superoptimal singular values, Analytic approximation of matrix functions in \(L^p\)

Cites Work

• A course in \(H_{\infty}\) control theory
• Superoptimal analytic approximations of matrix functions
• Generalized Interpolation in H ∞
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