scientific article; zbMATH DE number 624659
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Publication:4303264
zbMath0826.41025MaRDI QIDQ4303264
Publication date: 25 August 1994
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Normed linear spaces and Banach spaces; Banach lattices (46B99) Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Approximation by operators (in particular, by integral operators) (41A35) Uniqueness of best approximation (41A52)
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A lower bound of the strongly unique minimal projection constant of \(\ell ^n_\infty\), \(n\geqslant 3\) ⋮ Some projections and their properties in the space $l^{mn}_{\infty }$ ($m\geq 2$, $n\geq 3$) ⋮ Constants of strong unicity of minimal projections onto some two-dimensional subspaces of \(l_{\infty}^{(4)}\) ⋮ On the dimension of the set of minimal projections ⋮ Projection constants of the \(l_{\infty}^{2m}\) space ⋮ Constants of strong uniqueness of minimal projections onto some $n$-dimensional subspaces of \(l_\infty^{2n}$ ($n \geq 2$) ⋮ Chalmers-Metcalf operator and uniqueness of minimal projections ⋮ Applications of inverse limits to extensions of operators and approximation of Lipschitz functions ⋮ Projection constants of a class of codimension-2 subspaces in \(l_\infty^{2 n}\) ⋮ Minimal extensions in tensor product spaces
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