| Best Simultaneous Approximation by Function Pairs |
| Received:December 11, 1989 |
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| Abstract: |
| In this note, the author discusses the problem of best simultaneous approximation by function pairs. The existence and characterization theorems of the best simultaneous approximation in L1 and L∞ norms are obtained respectively, and some rezults of [ 1 ] are the special case of the theorems of the paper. |
| Citation: |
| DOI:10.3770/j.issn:1000-341X.1991.04.004 |
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