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Universal functions as series of rational functions - MaRDI portal

Universal functions as series of rational functions (Q395148)

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scientific article; zbMATH DE number 6251473
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Universal functions as series of rational functions
scientific article; zbMATH DE number 6251473

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    Universal functions as series of rational functions (English)
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    28 January 2014
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    The paper is devoted to universal Taylor series in some unbounded non-simply connected domains. The authors show that such series can be represented as series of rational functions satisfying a double simultaneous approximation property. They obtain stronger statements of recent results [\textit{A. Mouze} et al., Comput. Methods Funct. Theory 12, No. 1, 173--199 (2012; Zbl 1262.30072)] using Baire's category theorem. Finally they extend under some additional assumptions these results to the case of meromorphic functions with prescribed poles.
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    universal Taylor series
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    approximation in the complex domain
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    rational functions
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