Explicit multidimensional Ingham--Beurling type estimates
classification
🧮 math.CA
keywords
explicitmultidimensionalprooftypeanalyticalapplyingapproachbeurling
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Recently a new proof was given for Beurling's Ingham type theorem on one-dimensional nonharmonic Fourier series, providing explicit constants. We improve this result by applying a short elementary method instead of the previous complex analytical approach. Our proof equally works in the multidimensional case.
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