147 citations · 1.2k across the 60 of their papers we have counts for
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quant-ph2004★ 6 cited
Compatibility Relations between the Reduced and Global Density Matrixes
Yong-Jian Han, Yong-Sheng Zhang, Guang-Can Guo
It is a hard and important problem to find the criterion of the set of positive-definite matrixes which can be written as reduced density operators of a multi-partite quantum state…
quant-ph2004
A New Proof of The Strong Subadditivity Theorem
Yong-Jian Han, Yong-Sheng Zhang, Guang-Can Guo
It is well known that the strong subadditivity theorem is hold for classical system, but it is very difficult to prove that it is hold for quantum system. The first proof of this t…