Browsing by Subject "interpolating subspace"
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Item type:Article, Access status: Open Access , Best approximation in Chebyshev subspaces of L(ln1, ln1)(2009) Kowynia, JoannaChebyshev subspaces of $\mathcal{L}(l_1^n,l_1^n)$ are studied. A construction of a $k$-dimensional Chebyshev (not interpolating) subspace is given.