Best approximation and characterization of Hilbert spaces

DOI10.18514/MMN.2019.2917zbMATH Open1449.41027OpenAlexW3037007147MaRDI QIDQ5218012

Setareh Rajabi

Publication date: 26 February 2020

Published in: Miskolc Mathematical Notes (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.18514/mmn.2019.2917

zbMATH Keywords

inequalitybest approximationmetric projectionBirkhoff orthogonalitycharacterization of Hilbert spaces

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Geometry and structure of normed linear spaces (46B20) Characterizations of Hilbert spaces (46C15)

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