TY  - JOUR
ID  - Kowynia2009
LB  - Kowynia2009
AU  - Kowynia, Joanna
TI  - Best approximation in Chebyshev subspaces of L(l<sub>1</sub><sup>n</sup>,l<sub>1</sub><sup>n</sup>)
ST  - Best approximation in Chebyshev subspaces of L(l<sub>1</sub><sup>n</sup>,l<sub>1</sub><sup>n</sup>)
JO  - Opuscula Math.
JA  - Opuscula Math.
JF  - Opuscula Mathematica
PY  - 2009
VL  - 29
IS  - 1
SP  - 57
EP  - 67
DO  - http://dx.doi.org/10.7494/OpMath.2009.29.1.57
UR  - http://dx.doi.org/10.7494/OpMath.2009.29.1.57
AB  - Chebyshev subspaces of \(\mathcal{L}(l_1^n,l_1^n)\) are studied. A construction of a \(k\)-dimensional Chebyshev (not interpolating) subspace is given.
KW  - interpolating subspace
KW  - Chebyshev subspace
KW  - strongly unique best approximation
SN  - 1232-9274
ER  -