Abstract
A new construction of tight frames for \(L_2({\Bbb R}^d)\) with flexible time-frequency localization is considered. The frames can be adapted to form atomic decompositions for a large family of smoothness spaces on \({\Bbb R}^d,\) a class of so-called decomposition spaces. The decomposition space norm can be completely characterized by a sparseness condition on the frame coefficients. As examples of the general construction, new tight frames yielding decompositions of Besov space, anisotropic Besov spaces, α-modulation spaces, and anisotropic α-modulation spaces are considered. Finally, curvelet-type tight frames are constructed on \({\Bbb R}^d, d \geq 2.\)
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Borup, L., Nielsen, M. Frame Decomposition of Decomposition Spaces. J Fourier Anal Appl 13, 39–70 (2007). https://doi.org/10.1007/s00041-006-6024-y
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DOI: https://doi.org/10.1007/s00041-006-6024-y