\(\lambda \)-rearrangements characterization of Pringsheim limit points (Q925437)
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scientific article; zbMATH DE number 5282515
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | \(\lambda \)-rearrangements characterization of Pringsheim limit points |
scientific article; zbMATH DE number 5282515 |
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\(\lambda \)-rearrangements characterization of Pringsheim limit points (English)
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3 June 2008
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Summary: Sufficient conditions are given to assure that a four-dimensional matrix \(A\) will have the property that any double sequence \(x\) with finite \(P\)-limit point [cf. \textit{A. Pringsheim}, Math. Ann. 53, 289--321 (1900; JFM 31.0249.01)] has a \(\lambda \)-rearrangement \(z\) such that each finite \(P\)-limit point of \(x\) is a \(P\)-limit point of \(Az\).
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