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Showing 2013 · quant-phShow all
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quant-ph2013
Minimum Relative Entropy for Quantum Estimation: Feasibility and General Solution
Mattia Zorzi, Francesco Ticozzi, Augusto Ferrante
We propose a general framework for solving quantum state estimation problems using the minimum relative entropy criterion. A convex optimization approach allows us to decide the fe…
quant-ph2013
A note on the geometric interpretation of Bell's inequalities
Paolo Dai Pra, Michele Pavon, Neeraja Sahasrabudhe
Using results of Pitowsky and Gupta, we show in a direct, elementary fashion that, in the case of three spins, Bell's inequalities indeed provide a representation of the tetrahedro…