Classical correlation polytopes for multipartite communication with bounded (anti)distinguishability are characterized in small cases, and quantum protocols violate the resulting facet inequalities, including a PBR-inspired exponential advantage.
In order to identify quantum advantage in a multipartite commu- nication scenario, it is necessary to find a lower bound ofS Q
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Limits of Classical correlations and Quantum advantages under (Anti-)Distinguishability constraints in Multipartite Communication
Classical correlation polytopes for multipartite communication with bounded (anti)distinguishability are characterized in small cases, and quantum protocols violate the resulting facet inequalities, including a PBR-inspired exponential advantage.