Systems biorthogonal to exponential systems on a finite union of intervals
| Autor: | Anton Baranov, Yurii Belov, Alexander Kuznetsov |
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| Jazyk: | angličtina |
| Rok vydání: | 2022 |
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| Popis: | We study the properties of a system biorthogonal to a complete and minimal system of exponentials in $L^2(E)$, where $E$ is a finite union of intervals, and show that in the case when $E$ is a union of two or three intervals the biorthogonal system is also complete. 15 pages |
| Databáze: | OpenAIRE |
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