Density of the set of generators of wavelet systems
Given a function ψ in L2(Rd), the affine (wavelet) system generated by ψ, associated to an invertible matrix a and a lattice Γ, is the collection of functions {|det a|j/2ψ (ajx - γ) : j ∈ Z, γ ∈ Γ}. In this paper we prove that the set of functions generating affine systems that are a Riesz basis of...
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| Autores principales: | Cabrelli, C., Molter, U.M. |
|---|---|
| Formato: | JOUR |
| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_01764276_v26_n1_p65_Cabrelli |
| Aporte de: |
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