OAI/Analysis/CoulombTransport/EqualInfima.lean
5 declarations, 0 contain sorry, 0 declared as axioms
- theorem
OAI.Problem356.mongeValue_le_graphCostline 12Source documentation
Every feasible Monge pair bounds its defining infimum from above.
theorem mongeValue_le_graphCost (mu : Measure E3) {T2 T3 : E3 → E3} (h2 : Preserves mu T2) (h3 : Preserves mu T3) : mongeValue mu ≤ graphCost mu T2 T3 := by …Mentions: OAI.Problem356.E3, OAI.Problem356.Preserves, OAI.Problem356.mongeValue, OAI.Problem356.graphCost
- theorem
OAI.Problem356.FiniteMongeApproximation.equal_infimaline 18Source documentation
Arbitrarily accurate finite preserving-map approximations imply equality of values.
theorem FiniteMongeApproximation.equal_infima {mu : Measure E3} [IsProbabilityMeasure mu] (h : FiniteMongeApproximation mu) : mongeValue mu = kantorovichValue mu := by …Mentions: OAI.Problem356.E3, OAI.Problem356.FiniteMongeApproximation, OAI.Problem356.mongeValue, OAI.Problem356.kantorovichValue
- theorem
OAI.Problem356.finiteMongeApproximation_of_equal_infimaline 28Source documentation
Finite equality of values already supplies finite near-minimizing preserving maps.
theorem finiteMongeApproximation_of_equal_infima {mu : Measure E3} (hfinite : kantorovichValue mu < ⊤) (heq : mongeValue mu = kantorovichValue mu) : FiniteMongeApproximation mu := by …Mentions: OAI.Problem356.E3, OAI.Problem356.kantorovichValue, OAI.Problem356.mongeValue, OAI.Problem356.FiniteMongeApproximation
- theorem
OAI.Problem356.finiteMongeApproximation_iff_equal_infimaline 44Source documentation
Under finiteness, equal infima and finite Monge approximation are equivalent.
theorem finiteMongeApproximation_iff_equal_infima {mu : Measure E3} [IsProbabilityMeasure mu] (hfinite : kantorovichValue mu < ⊤) : FiniteMongeApproximation mu ↔ mongeValue mu = kantorovichValue mu := …Mentions: OAI.Problem356.E3, OAI.Problem356.kantorovichValue, OAI.Problem356.FiniteMongeApproximation, OAI.Problem356.mongeValue
- theorem
OAI.Problem356.HasCoulombCounterexample.fullConclusionline 51Source documentation
The full target conclusion follows once the counterexample and finite approximation have been constructed for the same density.
theorem HasCoulombCounterexample.fullConclusion {rho : E3 → ℝ} (h : HasCoulombCounterexample rho) (happrox : FiniteMongeApproximation (densityMeasure rho)) : HasFullCoulombConclusion rho := by …Mentions: OAI.Problem356.E3, OAI.Problem356.HasCoulombCounterexample, OAI.Problem356.FiniteMongeApproximation, OAI.Problem356.densityMeasure, OAI.Problem356.HasFullCoulombConclusion