Abstract
We study the structure of operators from the Schwartz space S(ℝn) into the tempered distributions S′(ℝn) that commute with a discrete subgroup of translations. The formalism leads to simple derivations of recent results about the frame operator of shift-invariant systems, Gabor, and wavelet frames.
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Communicated by Yoram Sagher
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Feichtinger, H.G., Führ, H., Gröchenig, K. et al. Operators commuting with a discrete subgroup of translations. J Geom Anal 16, 53–67 (2006). https://doi.org/10.1007/BF02930987
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DOI: https://doi.org/10.1007/BF02930987