213 citations · 652 across the 41 of their papers we have counts for
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quant-ph2012★ 11 cited
Dissecting the qutrit
Gniewomir Sarbicki, Ingemar Bengtsson
To visualize a higher dimensional object it is convenient to consider its two-dimensional cross-sections. The set of quantum states for a three level system has eight dimensions. W…
quant-ph2012★ 21 cited
A class of exposed indecomposable positive maps
Gniewomir Sarbicki, Dariusz Chruściński
Exposed positive maps in matrix algebras define a dense subset of extremal maps. We provide a class of indecomposable positive maps in the algebra of 2n x 2n complex matrices with…