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On the structure of positive maps between matrix algebras

Functional Analysis 2007-05-23 v1 Operator Algebras

Abstract

A partial description of the structure of positive unital maps ϕ:M2(\bC)Mn+1(\bC)\phi: M_2(\bC) \to M_{n+1}(\bC) (n2n\geq 2) is given.

Keywords

Cite

@article{arxiv.0705.0798,
  title  = {On the structure of positive maps between matrix algebras},
  author = {Wladyslaw A. Majewski and Marcin Marciniak},
  journal= {arXiv preprint arXiv:0705.0798},
  year   = {2007}
}

Comments

15 pages