Two Projection Theorems and Symbol Calcu
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T. Finck; S. Roch; B. Silbermann
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Article
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1993
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John Wiley and Sons
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English
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## Abstract In this paper we construct a symbol calculus for Banach algebras generated by two idempotents and a coefficient algebra. This, combined with local principles for βembedding algebrasβοΈ, leads to a symbol calculus for singular integral operators on spaces with Muckenhoupt weight and for s