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arxiv: 1103.5663 · v1 · pith:23N6UIBBnew · submitted 2011-03-29 · 🧮 math-ph · math.MP· math.OA· quant-ph

Local approximation of observables and commutator bounds

classification 🧮 math-ph math.MPmath.OAquant-ph
keywords approximationboundscommutatorconditionaldiscussexpectationsgeneralizationshilbert
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We discuss conditional expectations that can be used as generalizations of the partial trace for quantum systems with an infinite-dimensional Hilbert space of states.

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