On nonexistence of strongly unique best approximations

DOI10.1016/0022-247X(89)90161-3zbMath0689.41028MaRDI QIDQ581793

Ryszard Smarzewski

Publication date: 1989

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

zbMATH Keywords

strongly unique best approximation

Mathematics Subject Classification ID

Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65)

Cites Work

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• Uniqueness and strong uniqueness of best approximations by spline subspaces and other subspaces
• Uniqueness and Differential Characterization of Approximations from Manifolds of Functions

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