Abstract
We examine some recent results of Bownik on density and connectivity of the wavelet frames. We use orthogonality (strong disjointness) properties of frame and Bessel sequences, and also properties of Bessel multipliers (operators that map wavelet Bessel functions to wavelet Bessel functions). In addition we obtain an asymptotically tight approximation result for wavelet frames.
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The second author was partially supported by NSF grant DMS-0139386.
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Han, D., Larson, D.R. On the Orthogonality of Frames and the Density and Connectivity of Wavelet Frames. Acta Appl Math 107, 211–222 (2009). https://doi.org/10.1007/s10440-008-9420-2
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DOI: https://doi.org/10.1007/s10440-008-9420-2
Keywords
- Fourier Bessel multipliers
- Wavelet frames
- Wavelet Bessel sequences
- Strongly disjoint frames
- Orthogonal frames
- Density and connectivity