11 citations · 13 across the 6 of their papers we have counts for
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quant-ph2004★ 11 cited
An application of a matrix inequality in quantum information theory
C. King
Quantum information theory has generated several interesting conjectures involving products of completely positive maps on matrix algebras, also known as quantum channels. In parti…
math.OC2004★ 1 cited
On the existence of a common quadratic Lyapunov function for a rank one difference
Christopher King, Michael Nathanson
Suppose that A and B are real stable matrices, and that their difference A-B is rank one. Then A and B have a common quadratic Lyapunov function if and only if the product AB has n…