On the uniqueness of an element of the best L
1-approximation for functions with values in a banach space |
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Authors: | V F Babenko M E Gorbenko |
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Abstract: | We study the problem of uniqueness of an element of the best L
1-approximation for continuous functions with values in a Banach space. We prove two theorems that characterize the uniqueness
subspaces in terms of certain sets of test functions. |
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Keywords: | |
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