OAI/Analysis/CoulombTransport/CounterexampleAssembly.lean

GitHub source file

6 declarations, 0 contain sorry, 0 declared as axioms

  1. lemma OAI.Problem356.branchMarginal_eq_splitMeasure line 18

    Source documentation

    The four-map marginal is the generic finite split measure, with central weight 1/3 and four equal outer weights 1/6.

    lemma branchMarginal_eq_splitMeasure (nu : Measure E3) (H : Fin 4 → E3 → E3) :
        branchMarginal nu (H 0) (H 1) (H 2) (H 3) =
          Splitting.splitMeasure nu (1 / 3) (fun _ : Fin 4 => 1 / 6) H := by
    …

    Mentions: OAI.Problem356.E3, OAI.Problem356.branchMarginal, OAI.Problem356.Splitting.splitMeasure

  2. lemma OAI.Problem356.ae_branchMarginal_mem line 25

    Source documentation

    Support of the central measure and its four images gives support of the five-component marginal.

    lemma ae_branchMarginal_mem (nu : Measure E3) {H : Fin 4 → E3 → E3}
        (hH : ∀ i, Measurable (H i)) {B U : Set E3}
        (hU : MeasurableSet U) (hfull : ∀ᵐ x ∂nu, x ∈ B)
        (hBU : B ⊆ U) (hHU : ∀ i, H i '' B ⊆ U) :
        ∀ᵐ x ∂branchMarginal nu (H 0) (H 1) (H 2) (H 3), x ∈ U := by
    …

    Mentions: OAI.Problem356.E3, OAI.Problem356.branchMarginal

  3. lemma OAI.Problem356.coulombCost_cycle_assembly line 42
  4. lemma OAI.Problem356.triplePotential_cycle_assembly line 48
  5. theorem OAI.Problem356.hasCoulombCounterexample_of_branches line 53
  6. theorem OAI.Problem356.branchCoupling_optimal_of_certificate line 135

    Source documentation

    The concrete six-graph coupling is itself the finite optimizer. This exposes the witness used by the counterexample assembly to the separated support approximation argument.

    theorem branchCoupling_optimal_of_certificate
        (nu : Measure E3) [IsProbabilityMeasure nu]
        (H : Fin 4 → E3 → E3) (hH : ∀ i, Measurable (H i))
        {U : Set E3} (hU : MeasurableSet U)
        (hmuU : ∀ᵐ x ∂branchMarginal nu (H 0) (H 1) (H 2) (H 3), x ∈ U)
        {p : E3 → ℝ≥0∞} (hp : Measurable p)
        (hpfinite : (∫⁻ x, p x ∂branchMarginal nu (H 0) (H 1) (H 2) (H 3)) ≠ ⊤)
        {C : ℝ≥0∞} (hC : C ≠ ⊤)
        (hbound : ∀ t, tripleFst t ∈ U → tripleSnd t ∈ U → tripleThd t ∈ U →
          triplePotential p t ≤ coulombCost t + C)
        (hcontact01 : ∀ᵐ x ∂nu,
          triplePotential p (x, (H 0 x, H 1 x)) = coulombCost (x, (H 0 x, H 1 x)) + C)
    …

    Mentions: OAI.Problem356.E3, OAI.Problem356.branchMarginal, OAI.Problem356.tripleFst, OAI.Problem356.tripleSnd, OAI.Problem356.tripleThd, OAI.Problem356.triplePotential, OAI.Problem356.coulombCost