Continuous Wavelets and Frames on Stratified Lie Groups I

Details Continuous Wavelets and Frames on Stratified Lie Groups I Continuous Wavelets and Frames on Stratified Lie Groups I

2006-02-09

arxiv.org/abs/math/0602201v3

Mathematics

Functional Analysis

30 pages

Scientific paper

Let G be a stratified Lie group and L be the sub-Laplacian on G. Let 0 \neq f\in S(R^+). We show that Lf(L)\delta, the distribution kernel of the operator Lf(L), is an admissible function on G. We also show that, if \xi f(\xi) satisfies Daubechies' criterion, then L f(L)\delta generates a frame for any sufficiently fine lattice subgroup of G.

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