TY - JOUR
T1 - On Simultaneous Weakly-Chebyshev Subspaces
AU - Sh. Rezapour, H. Alizadeh & S. M. Vaezpour
JO - Analysis in Theory and Applications
VL - 2
SP - 117
EP - 124
PY - 2011
DA - 2011/04
SN - 27
DO - http://doi.org/10.1007/s10496-011-0117-4
UR - https://global-sci.org/intro/article_detail/ata/4585.html
KW - dual space, best simultaneous approximation, simultaneous quasi-Chebyshev subspace, simultaneous weakly-Chebyshev subspace.
AB - <p style="text-align: justify;">In this paper, we shall introduce and characterize simultaneous quasi-Chebyshev (and weakly-Chebyshev) subspaces of normed spaces with respect to a bounded set $S$ by using elements of the dual space.</p>