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.
Publié le : 2010-12-15
Classification:
Strongly unique best approximation,
interpolating subspace,
Chebyshev subspace
@article{1292334056,
author = {Kowynia, Joanna},
title = {The unicity of best approximation in a space of compact operators},
journal = {Bull. Belg. Math. Soc. Simon Stevin},
volume = {17},
number = {1},
year = {2010},
pages = { 807-820},
language = {en},
url = {http://dml.mathdoc.fr/item/1292334056}
}
Kowynia, Joanna. The unicity of best approximation in a space of compact operators. Bull. Belg. Math. Soc. Simon Stevin, Tome 17 (2010) no. 1, pp. 807-820. http://gdmltest.u-ga.fr/item/1292334056/