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| On a Problem on Chebyshev Centers | |
| 作者姓名： | 李冲 |
| 作者单位： | Hangzhou Institute |
| 摘 要： | Let X be a normed linear space, A, G be subsets of X. Define r_A(G) = inf sup ||α - g||then r_A(G) is called the relative Chebyshev radius of A with respect to G. If |
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