On the regularity of wavelets
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The regularity index alpha /sub N/ of the scaling functions /sub N/ phi , N=2, 3, . . . of multiresolution analysis introduced by I. Daubechies (1988) is investigated. It is shown that 0.51 >
[1] I. Daubechies. Orthonormal bases of compactly supported wavelets , 1988 .
[2] Yves Meyer. Construction de bases orthonormées d'ondelettes , 1990 .