Composition and spectral invariance of pseudodifferential Operators on Modulation Spaces

被引:0
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作者
Karlheinz Gröchenig
机构
[1] GSF-National Research Center for Environment and Health,Institute of Biomathematics and Biometry
[2] University of Vienna,Faculty of Mathematics
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关键词
Banach Algebra; Pseudodifferential Operator; Modulation Space; Wigner Distribution; Symbol Class;
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摘要
We introduce new classes of Banach algebras of pseudodifferential operators with symbols in certain modulation spaces and investigate their composition and the functional calculus. Operators in these algebras possess the spectral invariance property on the associated family of modulation spaces. These results extend and contain Sjöstrand's theory, and they are obtained with new phase-space methods instead of “hard analysis”.
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页码:65 / 82
页数:17
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