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quant-ph2025
Tight and self-testing multipartite quantum Bell inequalities from the renormalization group
Paolo Abiuso, Julian Fischer, Miguel Navascués
In past work, the concept of connectors was introduced: directed tensors with the property that any contraction thereof defines a multipartite quantum Bell inequality, i.e., a line…
quant-ph2023★ 3 cited
First-order optimality conditions for non-commutative optimization problems
Mateus Araújo, Igor Klep, Andrew J. P. Garner +2
We consider the problem of optimizing the state average of a polynomial of non-commuting variables, over all states and operators satisfying a number of polynomial constraints, and…