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SUMMARY:Phase transitions on community detectability for various types of 
 stochastic block models - Laurent Massoulié\, INRIA
DTSTART:20181109T160000Z
DTEND:20181109T170000Z
UID:TALK109669@talks.cam.ac.uk
CONTACT:Dr Sergio Bacallado
DESCRIPTION:In this talk we will survey available results and open questio
 ns on detectability of communities using polynomial-time algorithms for se
 veral variants of the stochastic block model (SBM). We will in particular 
 consider degree-corrected SBM’s and labelled SBM’s and discuss how the
  phase transition captured by the so-called Kesten-Stigum threshold in the
  classical case translates in these other two scenarios.
LOCATION:MR12
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