321 citations · 781 across the 18 of their papers we have counts for
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math.AC2003
Chains of Unusual Excellent Local Rings
Kai Chen
Let (T,M) be a complete local domain containing the integers. Let p1 \subseteq p2 \subseteq ... \subseteq pn be a chain of nonmaximal prime ideals T such that T_pn is a regular loc…
quant-ph2003★ 1 cited
Detection of entanglement and Bell's inequality violation
Kai Chen, Ling-An Wu
We propose a new method for detecting entanglement of two qubits and discuss its relation with the Clauser-Horne-Shimony-Holt (CHSH) Bell inequality. Without the need for full quan…
quant-ph2003★ 51 cited
Test for entanglement using physically observable witness operators and positive maps
Kai Chen, Ling-An Wu
Motivated by the Peres-Horodecki criterion and the realignment criterion we develop a more powerful method to identify entangled states for any bipartite system through a universal…