The unicity of best approximation in a space of compact operators

Authors

  • Joanna Kowynia

DOI:

https://doi.org/10.7146/math.scand.a-15164

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.

Downloads

Published

2011-03-01

Issue

Vol. 108 No. 1 (2011)

Section

Articles