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Marginal Entropies for Causal Inference and Quantum Non-Locality

Gross, D (Universitšt Freiburg )
Tuesday 15 October 2013, 09:00-10:00

Seminar Room 1, Newton Institute


Co-authors: Rafael Chaves (University of Freiburg), Lukas Luft (University of Freiburg)

The fields of quantum non-locality in physics, and causal discovery in machine learning, both face the problem of deciding whether observed data is compatible with a presumed causal relationship between the variables (for example a local hidden variable model). Traditionally, Bell inequalities have been used to describe the restrictions imposed by causal structures on marginal distributions. However, some structures give rise to non-convex constraints on the accessible data, and it has recently been noted that linear inequalities on the observable entropies capture these situations more naturally. In this talk, I will introduce the machine learning background, advertise the program of investigating entropic marginals, and present some recent results.


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