285 citations · 1.5k across the 43 of their papers we have counts for
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math-ph2012★ 1 cited
Constructing positive maps from block matrices
Yu Guo, Heng Fan
Positive maps are useful for detecting entanglement in quantum information theory. Any entangled state can be detected by some positive map. In this paper, the relation between pos…
math-ph2010★ 29 cited
When different entanglement witnesses detect entangled states simultaneously
Jinchuan Hou, Yu Guo
The question under what conditions different witnesses may detect some entangled states simultaneously is answered for both finite- and infinite-dimensional bipartite systems. Fini…