Journal
JOURNAL OF FOURIER ANALYSIS AND APPLICATIONS
Volume 24, Issue 3, Pages 830-871Publisher
SPRINGER BIRKHAUSER
DOI: 10.1007/s00041-017-9538-6
Keywords
Wavelet decomposition; Atomic decomposition; Besov spaces; Triebel-Lizorkin spaces; Doubling weights
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Both wavelet and atomic decomposition techniques are essential tools in the study of function spaces nowadays, but they both have their advantages and disadvantages. The celebrated bridge between both concepts was given by the compactly supported Daubechies wavelets which can be interpreted as atoms. In this paper we deal with the converse direction, that is, we present a fairly general approach how to construct compactly supported wavelets when an atomic decomposition is known already. The main idea is Taylor's expansion combined with our new, so-called -convergence assumption in the admitted sequence spaces. We finally exemplify our main result and collect some known and new settings where such a wavelet decomposition is obtained, e.g., in spaces of Besov or Triebel-Lizorkin type with a doubling weight.
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