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quant-ph2026
Local geometry for Schmidt number witnesses
Young-Hoon Kiem, Seung-Hyeok Kye
Suppose that is the face of the convex set of all bi-partite states which consists of states with ranges contained in a subspace . For generic subspaces w…
quant-ph2019
Entangled edge states of corank one with positive partial transposes
Jinwon Choi, Young-Hoon Kiem, Seung-Hyeok Kye
We construct a parameterized family of PPT (positive partial transpose) states of corank one for each . With a suitable choice of parameters, we show that they…