Exponential frames for unbounded sets

2014/10/21 by Nitzan, Shahaf, Olevskii, Alexander, Ulanovskii, Alexander
#Classical Analysis and ODEs (math.CA) #FOS: Mathematics

paper · doi:10.48550/arxiv.1410.5693

Abstract

For every set S of finite measure in ℝ we construct a discrete set of real frequencies Λ such that the exponential system \exp(iλt),λ∈Λ\ is a frame in L²(S)

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