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quant-ph2023
Barycentric decomposition for quantum instruments
Juha-Pekka Pellonpää, Erkka Haapasalo, Roope Uola
We present a barycentric decomposition for quantum instruments whose output space is finite-dimensional and input space is separable. As a special case, we obtain a barycentric dec…
math.ST2023★ 6 cited
Matrix majorization in large samples
Muhammad Usman Farooq, Tobias Fritz, Erkka Haapasalo +1
One tuple of probability vectors is more informative than another tuple when there exists a single stochastic matrix transforming the probability vectors of the first tuple into th…