The Representive of Metric Pro jection on the Finite Co dimension Subspace in Banach Space |
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Authors: | Xiaobin Liang & Shixiang Huang |
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Abstract: | In the paper we introduce the notions of the separation factor $κ$ and givea representive of metric projection on an $n$-codimension subspace (or an affine set)under certain conditions in Banach space. Further, we obtain the distance formulafrom any point $x$ to a finite $n$-codimension subspace. Results extend and improve thecorresponding results in Hilbert space. |
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Keywords: | $n$-codimension separation factor $κ$ weakly completely separated. |
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