Abstract
This paper is concerned with the construction of compactly supported divergence-free vector wavelets. Our construction is based on a large class of refinable functions which generate multivariate multiresolution analyses which includes, in particular, the non tensor product case.
For this purpose, we develop a certain relationship between partial derivatives of refinable functions and wavelets with modifications of the coefficients in their refinement equation. In addition, we demonstrate that the wavelets we construct form a Riesz-basis for the space of divergence-free vector fields.
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Work supported by the Deutsche Forschungsgemeinschaft in the Graduiertenkolleg “Analyse und Konstruktion in der Mathematik” at the RWTH Aachen.