Extension theorems for invertibility symbols in Banach algebras (Q1803932)

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scientific article; zbMATH DE number 222053
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Extension theorems for invertibility symbols in Banach algebras
scientific article; zbMATH DE number 222053

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    Extension theorems for invertibility symbols in Banach algebras (English)
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    29 June 1993
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    algebras with polynomial identities
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    extension of invertibility symbols from a dense subalgebra to its closure
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    Kakutani elements
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    algebras generated by two idempotents
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    algebras generated by singular integral operators
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