Extremal problems for the vector-valued \(\langle L^ 1/H_ 0^ 1,H^ \infty\rangle\) duality

DOI10.1006/JATH.1996.0013zbMath0843.46023OpenAlexW2033427726MaRDI QIDQ1908220

Wolfgang Hensgen

Publication date: 18 August 1996

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1006/jath.1996.0013

zbMATH Keywords

Hardy spacebest approximationstrictly convexanalytic Radon-Nikodym propertyproximinal subspaceChebyshevBochner spaceproximinalsemi-Chebyshevvector valued Hardy spaces

Mathematics Subject Classification ID

Spaces of vector- and operator-valued functions (46E40) Best approximation, Chebyshev systems (41A50) Banach algebras of differentiable or analytic functions, (H^p)-spaces (46J15) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Radon-Nikodým, Kre?n-Milman and related properties (46B22)

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