Hilbert Modules - Square Roots of Positive Maps
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🧮 math.OA
keywords
rootssquarehilbertmapsmodulespositivepositivityalgebra
read the original abstract
We reflect on the notions of positivity and square roots. We review many examples which underline our thesis that square roots of positive maps related to *-algebras are Hilbert modules. As a result of our considerations we discuss requirements a notion of positivity on a *-algebra should fulfill and derive some basic consequences.
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