Pseudodifferential operators on α-modulation spaces
We study expansions of pseudodifferential operators from the Hörmander class in a special family of functions called brushlets. We prove that such operators have a sparse representation in a brushlet system. Using this sparsity, we show that a pseudodifferential operator extends to a bounded operato...
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| Materialtyp: | Artigo |
| Språk: | Inglês |
| Utgiven: |
Wiley
2004-01-01
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| Serie: | Journal of Function Spaces and Applications |
| Länkar: | http://dx.doi.org/10.1155/2004/621924 |
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