OAI/Geometry/EinsteinFour/ScalarPoissonKernelPotential.lean
11 declarations, 0 contain sorry, 0 declared as axioms
A smooth zeroth-order potential does not obstruct the local bootstrap. Only the principal and first-order perturbations need to be small.
- theorem
OAI.PositiveEinsteinFour.Geometry.scalarPotential_multipliers_commuteline 22 - theorem
OAI.PositiveEinsteinFour.Geometry.scalar_nested_cutoff_gain_of_potentialline 40Source documentation
The potential times u has the needed order from the outer cutoff; it is not required to be smooth before the bootstrap.
theorem scalar_nested_cutoff_gain_of_potential (c ψ χ : S) (hnest : ScalarCutoffNested ψ χ) (n : ℕ) (u : T) (hu : MemSobolev ((n + 1 : ℕ) : ℝ) 2 (M χ u)) (hf : MemSobolev (n : ℝ) 2 (M ψ (scalarPerturbedOperator a b u - u - M c u))) : MemSobolev ((n + 2 : ℕ) : ℝ) 2 (M ψ u) := by …Mentions: OAI.PositiveEinsteinFour.Geometry.ScalarCutoffNested, OAI.PositiveEinsteinFour.Geometry.scalarPerturbedOperator
- theorem
OAI.PositiveEinsteinFour.Geometry.scalar_finite_cutoff_chain_gain_of_potentialline 62 - theorem
OAI.PositiveEinsteinFour.Geometry.scalar_ball_local_sobolev_of_potentialline 89Source documentation
Local H1 and a smooth potential-source remainder give every Sobolev order on each smaller compactly supported localization.
theorem scalar_ball_local_sobolev_of_potential (c : S) (u : T) (hH1 : ∀ ψ : S, HasCompactSupport (ψ : V → ℂ) → tsupport (ψ : V → ℂ) ⊆ ball 0 1 → MemSobolev 1 2 (M ψ u)) (hforce : ∀ n : ℕ, ∀ ψ : S, HasCompactSupport (ψ : V → ℂ) → tsupport (ψ : V → ℂ) ⊆ ball 0 1 → MemSobolev (n : ℝ) 2 (M ψ (scalarPerturbedOperator a b u - u - M c u))) (r : ℝ) (hr0 : 0 < r) (hr1 : r < 1) (φ : S) (hφc : HasCompactSupport (φ : V → ℂ)) (hφ : tsupport (φ : V → ℂ) ⊆ closedBall 0 r) : ∀ n : ℕ, MemSobolev (n : ℝ) 2 (M φ u) := by …Mentions: OAI.PositiveEinsteinFour.Geometry.scalarPerturbedOperator
- def
OAI.PositiveEinsteinFour.Geometry.scalarPotentialInnerBumpline 109 - def
OAI.PositiveEinsteinFour.Geometry.scalarPotentialInnerCutoffline 115 - theorem
OAI.PositiveEinsteinFour.Geometry.scalarPotentialInnerCutoff_applyline 120 - theorem
OAI.PositiveEinsteinFour.Geometry.scalarPotentialInnerCutoff_tsupportline 123 - theorem
OAI.PositiveEinsteinFour.Geometry.scalarPotentialInnerCutoff_oneline 133 - theorem
OAI.PositiveEinsteinFour.Geometry.scalar_small_elliptic_potential_local_representativeline 143Source documentation
No smallness or prior regularity of the potential term times u is assumed. The original L2 solution has a smooth local representative.
theorem scalar_small_elliptic_potential_local_representative (c : S) (u : L2) (hH1 : ∀ ψ : S, HasCompactSupport (ψ : V → ℂ) → tsupport (ψ : V → ℂ) ⊆ ball 0 1 → MemSobolev 1 2 (M ψ (u : T))) (hforce : ∀ n : ℕ, ∀ ψ : S, HasCompactSupport (ψ : V → ℂ) → tsupport (ψ : V → ℂ) ⊆ ball 0 1 → MemSobolev (n : ℝ) 2 (M ψ (scalarPerturbedOperator a b (u : T) - (u : T) - M c (u : T)))) : ∃ f : V → ℂ, ContDiff ℝ (⊤ : ℕ∞) f ∧ (u : V → ℂ) =ᵐ[volume.restrict (ball 0 (1 / 4))] f := by …Mentions: OAI.PositiveEinsteinFour.Geometry.scalarPerturbedOperator
- theorem
OAI.PositiveEinsteinFour.Geometry.scalar_small_elliptic_potential_local_real_representativeline 162