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Wavelets on Manifolds: An Optimized Construction

Angela Kunoth and Jan Sahner
Mathematics of Computation
Vol. 75, No. 255 (Jul., 2006), pp. 1319-1349
Stable URL: http://www.jstor.org/stable/4100277
Page Count: 31
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Wavelets on Manifolds: An Optimized Construction
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Abstract

A key ingredient of the construction of biorthogonal wavelet bases for Sobolev spaces on manifolds, which is based on topological isomorphisms is the Hestenes extension operator. Here we firstly investigate whether this particular extension operator can be replaced by another extension operator. Our main theoretical result states that an important class of extension operators based on interpolating boundary values cannot be used in the construction setting required by Dahmen and Schneider. In the second part of this paper, we investigate and optimize the Hestenes extension operator. The results of the optimization process allow us to implement the construction of biorthogonal wavelets from Dahmen and Schneider. As an example, we illustrate a wavelet basis on the 2-sphere.

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