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Criteria for Fourier transforms
Published online by Cambridge University Press: 09 April 2009
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Salem [1] gave the following criterion for Fourier-Lebesgue sequences .
Denote by E the set of continuously differentiate periodic functions u such that u' has an absolutely convergent Fourier series, and let E1 denote the set of uσE satisfying ∥u∥∞≦1.
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- Copyright © Australian Mathematical Society 1967
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