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The satisfiability threshold and solution geometry of random linear - - PowerPoint PPT Presentation

The satisfiability threshold and solution geometry of random linear equations over finite fields Jane Gao (jane.gao@monash.edu) School of Mathematical Sciences Examples k-SAT k-NAESAT k-XORSAT k-colouring of graphs


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The satisfiability threshold and solution geometry of random linear equations over finite fields

Jane Gao

(jane.gao@monash.edu)

School of Mathematical Sciences

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Examples

  • k-SAT
  • k-NAESAT
  • k-XORSAT
  • k-colouring of graphs
  • 2-colouring of k-uniform hyper graphs
  • Potts model
  • Ising model (ferromagnetic, antiferromagnetic)
  • graph matching (monomer-dimer model)
  • independent set (hard core model)
  • SK model
  • mixed p-spin model
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‹#› K-SAT threshold

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Main challenge: large deviation

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[Krzakala, Montanari, Ricci-Tersenghi, Semerjian, Zdeborova 2007]

Phase transitions of the solution geometry

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Lottery effect kills the second moment method

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Replica symmetry (correlation decay)

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Solution clusters

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Bethe free entropy