Pyramidal Algorithms for Littlewood-Paley Decompositions
Résumé
It is well known that with any usual multiresolution analysis of L 2 (IR) is associated a pyramidal algorithm for the computation of the corresponding wavelet coefficients. It is shown that an approximate pyramidal algorithm may be associated with more general Littlewood-Paley decompositions. Accuracy estimates are provided for such approximate algorithms. Finally, some explicit examples are studied
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