Sequential BKW-Operators and Function Al
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Keiji Izuchi; Hiroyuki Takagi; Seiji Watanabe
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Article
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1996
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Elsevier Science
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English
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The Korovkin-type approximation theory for function algebras is studied. A complete characterization of the BKW-operators studied by Takahasi is given for function algebras, and this answers Altomare's conjecture affirmatively. As an application, the BKW-operators on the disk algebra for test functi