OAI/Probability/Ising/Main.lean

GitHub source file

9 declarations, 0 contain sorry, 0 declared as axioms

  1. def OAI.BufferedIsing.dssMatrix line 14

    Source documentation

    The oriented pair matrix is precisely the original edge-list interaction; parallel edges are summed, with no ghost and no change to the field.

    def dssMatrix {n m : ℕ} (G : FiniteGraph n m) (u v : Fin n) : ℝ :=
    …

    Mentions: OAI.BufferedIsing.FiniteGraph

  2. lemma OAI.BufferedIsing.dssMatrix_nonneg line 17
  3. lemma OAI.BufferedIsing.dss_hamiltonian_eq line 23
  4. lemma OAI.BufferedIsing.dss_mass_eq line 40
  5. lemma OAI.BufferedIsing.dss_average_eq line 44
  6. theorem OAI.BufferedIsing.arbitraryFieldCovarianceBound line 50

    Source documentation

    The arbitrary-field covariance bound for the finite edge-list Gibbs law, including equal sites.

    theorem arbitraryFieldCovarianceBound : ArbitraryFieldCovarianceBound := by
    …

    Mentions: OAI.BufferedIsing.ArbitraryFieldCovarianceBound

  7. theorem OAI.BufferedIsing.effectiveCouplingBound line 56
  8. lemma OAI.BufferedIsing.extremeLogOdds_le_zero line 59
  9. theorem OAI.BufferedIsing.finite_graph_comparison line 72

    Source documentation

    Finite-graph comparison for arbitrary probability mixtures on both sides. Dirac mixtures recover the conditional laws.

    Distinct definitions of this name: ComparatorChallenges/BufferedIsing.lean:98 (same statement text; different proof or body). Qualify references as OAI.BufferedIsing.finite_graph_comparison@path.

    theorem finite_graph_comparison {n m : ℕ} (G : FiniteGraph n m)
        (h : Fin n → ℝ) (I J F : Finset (Fin n))
        (hIJ : Disjoint I J) (hIF : Disjoint I F) (hJF : Disjoint J F)
        (i j : KeptVertex F) (hi : i.val ∈ I) (hj : j.val ∈ J)
        (a τ : Spins n) (mix mix' : Spins n → ℝ)
        (hmix : ∀ b, 0 ≤ mix b) (hmix' : ∀ b, 0 ≤ mix' b)
        (hmixsum : ∑ b, mix b = 1) (hmix'sum : ∑ b, mix' b = 1) :
        Real.exp (-4 * Real.artanh (qZero G I J F i j)) ≤
            mixtureProb G h I J F a τ mix / mixtureProb G h I J F a τ mix' ∧
          mixtureProb G h I J F a τ mix / mixtureProb G h I J F a τ mix' ≤
            Real.exp (4 * Real.artanh (qZero G I J F i j)) := by
    …

    Mentions: OAI.BufferedIsing.FiniteGraph, OAI.BufferedIsing.KeptVertex, OAI.BufferedIsing.Spins, OAI.BufferedIsing.qZero, OAI.BufferedIsing.mixtureProb