scientific article; zbMATH DE number 949703

zbMath0932.46071MaRDI QIDQ4716369

Weidun Qiu

Publication date: 28 February 2000

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

best approximationorthogonal basisnon-Archimedean normed vector spacesorthogonal supplement

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Functional analysis over fields other than (mathbb{R}) or (mathbb{C}) or the quaternions; non-Archimedean functional analysis (46S10) Interpolation in approximation theory (41A05) Summability and bases; functional analytic aspects of frames in Banach and Hilbert spaces (46B15)

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