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Systems biorthogonal to exponential systems on a finite union of intervals. / Баранов, Антон Дмитриевич; Белов, Юрий Сергеевич; Кузнецов, Александр Сергеевич.
в: Journal of Fourier Analysis and Applications, Том 29, № 2, 23, 05.04.2023.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Systems biorthogonal to exponential systems on a finite union of intervals
AU - Баранов, Антон Дмитриевич
AU - Белов, Юрий Сергеевич
AU - Кузнецов, Александр Сергеевич
PY - 2023/4/5
Y1 - 2023/4/5
N2 - We study the properties of a system biorthogonal to a complete and minimal system of exponentials in L2(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.
AB - We study the properties of a system biorthogonal to a complete and minimal system of exponentials in L2(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.
KW - системы экспонент, преобразование Фурье, биортогональная система
KW - Biorthogonal system
KW - Disconnected spectrum
KW - Exponential system
KW - Paley–Wiener space
KW - Young theorem
UR - https://link.springer.com/article/10.1007/s00041-023-10002-w
UR - https://www.mendeley.com/catalogue/1be1d28a-ff7a-3cdf-bc36-3b20c14f27fb/
U2 - 10.1007/s00041-023-10002-w
DO - 10.1007/s00041-023-10002-w
M3 - Article
VL - 29
JO - Journal of Fourier Analysis and Applications
JF - Journal of Fourier Analysis and Applications
SN - 1069-5869
IS - 2
M1 - 23
ER -
ID: 115315434