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20222024
most citedExact controllability for wave equation on general quantum graphs with non-smooth controls

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math.CV2022

Density of zeros of the Cartwright class functions and the Helson--Szegö type condition

Sergei A. Avdonin, Sergei A. Ivanov

B.\,Ya.\,Levin has proved that zero set of a sine type function can be presented as a union of a finite number of separated sets, that is an important result in the theory of expon…