278 citations · 545 across the 19 of their papers we have counts for
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quant-ph2008★ 67 cited
Spectral conditions for positive maps
Dariusz Chruscinski, Andrzej Kossakowski
We provide a partial classification of positive linear maps in matrix algebras which is based on a family of spectral conditions. This construction generalizes celebrated Choi exam…
quant-ph2008
Unital Positive Maps and Quantum States
M. Asorey, A. Kossakowski, G. Marmo +1
We analyze the structure of the subset of states generated by unital completely positive quantum maps, A witness that certifies that a state does not belong to the subset generated…