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On Hahn-Banach type theorems for Hilbert C*-modules

Michael Frank

funct-anarXiv:funct-an/9609003

Abstract

We show three Hahn-Banach type extension criteria for (sets of) bounded C*-linear maps of Hilbert C*-modules to the underlying C*-algebras of coefficients. One criterion establishes an alternative description of the property of (AW*-) C*-algebras to be monotone complete or additively complete.

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