OAI/Probability/InvariantIsing/Cavity/CavityGaussianNodeCovariance.lean

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3 declarations, 0 contain sorry, 0 declared as axioms

The covariance of a finite linear Gaussian node projection is positive semidefinite directly from its independent node covariances.

  1. def OAI.InvariantIsing.cavityGaussianNodeCovariance line 14
  2. lemma OAI.InvariantIsing.cavityGaussianNodeCovariance_posSemidef line 19
  3. theorem OAI.InvariantIsing.cavity_gaussian_node_projection_law line 42