Roots of completely positive maps

Robin Hillier (Lancaster University)

Tuesday 9th May, 2017 16:00-17:00 Maths Seminar Room (3rd floor M&S Building)


I introduce the concept of roots of completely positive maps of operator algebras in various versions. I will then provide some examples, (non-)existence criteria and characterisations in a few special settings, and a couple of open problems.

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