Abstract
Chebyshev subspaces of $ \mathcal{K}(c_0, c_0)$ are studied. A k-dimensional non-interpolating Chebyshev subspace is constructed. The unicity of best approximation in non-Chebyshev subspaces is considered.
Citation
Joanna Kowynia. "The unicity of best approximation in a space of compact operators." Bull. Belg. Math. Soc. Simon Stevin 17 (5) 807 - 820, december 2010. https://doi.org/10.36045/bbms/1292334056
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