Abstract
We investigate certain classes of normal completely positive (CP) maps on the hyperfinite II1 factorA. Using the representation theory of a suitable irrational rotation algebra, we propose some computable invariants for such CP maps.
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Dedicated to Professor K B Sinha
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Goswami, D., Sahu, L. Invariants for normal completely positive maps on the hyperfinite II1 factor. Proc. Indian Acad. Sci. (Math. Sci.) 116, 411–422 (2006). https://doi.org/10.1007/BF02829699
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DOI: https://doi.org/10.1007/BF02829699