Invariants for Normal Completely Positive Maps on the Hyperfinite $II_1$ Factor
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We investigate certain classes of normal completely positive (CP) maps on the hyperfinite $II_1$ factor $\mathcal A$. Using the representation theory of a suitable irrational rotation algebra, we propose some computable invariants for such CP maps.
13 pages, To be published in Proc. Ind. Acad. Sci. (Math. Sci.)
13 pages, To be published in Proc. Ind. Acad. Sci. (Math. Sci.)