Equivalent conditions for the general Stone-Weierstrass problem |
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Authors: | Ichiro Fujimoto Sin -Ei Takahasi |
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Institution: | (1) Department of Mathematics, University of Rochester, 14627 Rochester, NY, USA;(2) Department of Mathematics, Ibaraki University, Mito, 310 Ibaraki, Japan |
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Abstract: | We generalize the setting of the Stone-Weierstrass problem to the cone CP(A, H) of all completely positive linear maps of a C*-algebra A into the C*-algebra B(H) of all bounded linear operators on a Hilbert space H, and give some equivalent conditions for the problem. As a consequence, a new generalized spectrum, containing pure states and irreducible representations, will be introduced. |
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