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arxiv: quant-ph/0510040 · v1 · submitted 2005-10-06 · 🪐 quant-ph

A reduction theorem for capacity of positive maps

classification 🪐 quant-ph
keywords capacitymapspositiveprojectionreductiontheoremalgebrascase
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We prove a reduction theorem for capacity of positive maps of finite dimensional C*-algebras, thus reducing the computation of capacity to the case when the image of a nonscalar projection is never a projection.

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