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math.OA2022
Induced Stinespring factorization and the Wittstock support theorem
J. E. Pascoe, Ryan Tully-Doyle
Given a pair of self-adjoint-preserving completely bounded maps on the same -algebra, say that if the kernel of is a subset of the kernel of and $ψ\circ φ^{-…
math.OA2017
The noncommutative Löwner theorem for matrix monotone functions over operator systems
J. E. Pascoe
Given a function Löwner's theorem states is monotone when extended to self-adjoint matrices via the functional calculus, if and only if e…