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arxiv: math/0301255 · v1 · submitted 2003-01-22 · 🧮 math.AG · math.AC· math.PR

Algebraic Geometry of Bayesian Networks

classification 🧮 math.AG math.ACmath.PR
keywords algebraicbayesiannetworksgeometryvariablesvarietiesclassificationcomplete
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We study the algebraic varieties defined by the conditional independence statements of Bayesian Networks. A complete algebraic classification is given for Bayesian Networks on at most five random variables. Hidden variables are related to the geometry of higher secant varieties.

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