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Exposed positive maps in M_4(C)

Mathematical Physics 2013-02-06 v1 math.MP Quantum Physics

Abstract

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)

Cite

@article{arxiv.1204.3109,
  title  = {Exposed positive maps in M_4(C)},
  author = {Dariusz Chruściński and Gniewomir Sarbicki},
  journal= {arXiv preprint arXiv:1204.3109},
  year   = {2013}
}

Comments

7 pages

R2 v1 2026-06-21T20:49:18.389Z