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Sufficient conditions for convergence of Loopy Belief Propagation

arXiv (Cornell University)Published 4 July 2012Open access
Joris M. Mooij, Hilbert J. Kappen
Citations53
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TL;DR

Novel sufficient conditions for convergence of Loopy Belief Propagation to a unique fixed point are derived and the results improve upon previously known conditions.

Abstract

We derive novel sufficient conditions for convergence of Loopy Belief Propagation (also known as the Sum-Product algorithm) to a unique fixed point. Our results improve upon previously known conditions. For binary variables with (anti-)ferromagnetic interactions, our conditions seem to be sharp.

Keywords

Computer ScienceEngineering