Positive maps which are bijective on the set of rank projections
Operator Algebras
2016-04-21 v1 Quantum Physics
Abstract
Extending Wigner's theorem we give a characterization of positive maps of into itself which map the set of rank k projections onto itself.
Keywords
Cite
@article{arxiv.1604.05717,
title = {Positive maps which are bijective on the set of rank projections},
author = {Erling Størmer},
journal= {arXiv preprint arXiv:1604.05717},
year = {2016}
}