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quant-ph2017★ 26 cited
How entangled can a multi-party system possibly be?
Liqun Qi, Guofeng Zhang, Guyan Ni
The geometric measure of entanglement of a pure quantum state is defined to be its distance to the space of product (seperable) states. Given an -partite system composed of subs…
math-ph2017★ 1 cited
An Exponential Quantum Projection Filter for Open Quantum Systems
Qing Gao, Guofeng Zhang, Ian R. Petersen
An approximate exponential quantum projection filtering scheme is developed for a class of open quantum systems described by Hudson- Parthasarathy quantum stochastic differential e…