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The Chebyshev centers in a normed linear space |
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| Authors: | Wenhua Song |
| Institution: | (1) Institute of Mathematical Science, Dalian University of Technology, 116024 Dalian, China |
| Abstract: | A characterization of Chebyshev center is given. It is shown thaty
0 Z
Y(A) if and only if for eachyY there exists a W(y
0) such that(y) (y
0).This work is supported by the National Natural Science Foundation of China. |
| Keywords: | Chebyshev center Chebyshev radius polarization subspace |
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