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SUMMARY:Marginal Entropies for Causal Inference and Quantum Non-Locality -
  Gross\, D (Universitt Freiburg )
DTSTART:20131015T080000Z
DTEND:20131015T090000Z
UID:TALK48147@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:\nCo-authors: Rafael Chaves (University of Freiburg)\, Lukas L
 uft (University of Freiburg)\n \nThe fields of quantum non-locality in phy
 sics\, and causal discovery in machine learning\, both face the problem of
  deciding whether observed data is compatible with a presumed causal relat
 ionship between the variables (for example a local hidden variable model).
  Traditionally\, Bell inequalities have been used to describe the restrict
 ions imposed by causal structures on marginal distributions. However\, som
 e 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 i
 ntroduce the machine learning background\, advertise the program of invest
 igating entropic marginals\, and present some recent results. \n\n
LOCATION:Seminar Room 1\, Newton Institute
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