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Entanglement witnesses and geometry of entanglement of two--qutrit states
Entanglement witnesses geometry of entanglement two--qutrit states
2010/4/12
We construct entanglement witnesses with regard to the geometric structure of the Hilbert--Schmidt space and investigate the geometry of entanglement. In particular, for a two--parameter family of two...
A general algorithm for manipulating non-linear and linear entanglement witnesses by using exact convex optimization
manipulating non-linear linear entanglement witnesses exact convex optimization
2010/4/9
A generic algorithm is developed to reduce the problem of obtaining linear and nonlinear entanglement witnesses of a given quantum system, to convex optimization problem. This approach is completely g...