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Joint Physics Colloquium and Mathematics and Statistics Colloquium
Date/Time/Room:
Friday (4/28/2006) at 2:30pm in 304 Science Hall "On the Structure of Quantum Maps"Abstract: Observables of quantum mechanical systems form a C*algebra A while quantum maps are represented by linear positive maps t: A > A. I outline the new approach to a characterisation as well as to classification of positive maps. In particular, I shall discuss the structure of positive maps for two and three dimensional systems in detail. The obtained characterization of positive maps is applied to a discussion on quantum correlations and entanglement.

