Extensions and Dilations of module maps
classification
🧮 math.OA
keywords
moduledilationextensionmapsactionsalgebraalgebrasanother
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We study completely positive module maps on $C^{*}$-algebras which are $C^*$-module over another $C^*$-algebra with compatible actions. We extend several well known dilation and extension results to this setup, including the Stinespring dilation theorem and Wittstock, Arveson, and Voiculescu extension theorems.
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