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math.CV2022
Systems biorthogonal to exponential systems on a finite union of intervals
Anton Baranov, Yurii Belov, Alexander Kuznetsov
We study the properties of a system biorthogonal to a complete and minimal system of exponentials in , where is a finite union of intervals, and show that in the case w…
math.CV2022★ 1 cited
Localization of zeros in Cauchy-de Branges spaces
Evgeny Abakumov, Anton Baranov, Yurii Belov
We study the class of discrete measures in the complex plain with the following property: up to a finite number, all zeros of any Cauchy transform of the measure (with -dat…