Tuesday, April 17, 2012

1204.3109 (Dariusz Chruściński et al.)

Exposed positive maps in M_4(C)    [PDF]

Dariusz Chruściński, Gniewomir Sarbicki
It is shown that the family of so called Breuer-Hall maps in M_4(C) possesses strong spanning property and hence they are exposed in the convex cone of positive maps in M_4(C)
View original: http://arxiv.org/abs/1204.3109

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