## Wavelet sets without groups

##### Authors
Dobrescu, Mihaela
Olafsson, Gestur
##### Description
Most of the examples of wavelet sets are for dilation sets which are groups. We find a necessary and sufficient condition under which subspace wavelet sets exist for dilation sets of the form $A B$, which are not necessarily groups. We explain the construction by a few examples.
Comment: Has been published in Contemporary Mathematics
##### Keywords
Mathematics - Functional Analysis, 42C40,43A85