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In the mathematical field of functional analysis, a state of an operator system is a positive linear functional of norm 1. States in functional analysis generalize the notion of density matrices in quantum mechanics, which represent quantum states, both mixed states and pure states. Density matrices in turn generalize state vectors, which only represent…
Jordan decomposition, Some important classes of states & Overview
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states state displaystyle positive linear -algebra pure functional space set measures every functionals self-adjoint operator system density quantum vector generalize
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