Quantum correlations, tensor norms, and factorizable quantum channels
By Magdalena Musat (University of Copenhagen)
Abstract: In joint work with Haagerup, we established in 2015 a reformulation of the Connes embedding problem in terms of an asymptotic property of quantum channels possessing a certain factorizability property, introduced by Anantharaman-Delaroche. I will discuss new results concerning the class of channels which exactly factor through matrix algebras, and a number of open problems. I will also discuss ongoing work, joint with Brown and Rørdam, related to the remarkable recent breakthrough of Slofstra.
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