Non-closure of the set of quantum correlations via graphs
Ken DykemaVern I. PaulsenJitendra Prakash
所有作者
Ken DykemaVern I. PaulsenJitendra Prakash
文献摘要
We prove that the set of quantum correlations for a bipartite system of 5
inputs and 2 outputs is not closed. Our proof relies on computing the
correlation functions of a graph, which is a concept that we introduce.