OAI/MathematicalPhysics/DefocusingNLS/Linear/SobolevLocalContinuousFlow.lean
3 declarations, 0 contain sorry, 0 declared as axioms
A jointly continuous local Sobolev solution map
- theorem
OAI.DefocusingNLS.exists_continuous_sobolevInteractionFlow_on_ballline 14Source documentation
Every bounded ball of initial data has a jointly continuous interaction flow on a common positive time interval. The flow solves the actual polynomial interaction equation.
theorem exists_continuous_sobolevInteractionFlow_on_ball (k : ℝ) (hk : 6 < k) (m : ℕ) (R : ℝ) (hR : 0 ≤ R) : ∃ δ : ℝ, 0 < δ ∧ ∃ α : FourierL2 × ℝ → FourierL2, ContinuousOn α (closedBall 0 R ×ˢ Icc (-δ) δ) ∧ ∀ f : FourierL2, ‖f‖ ≤ R → α (f, 0) = f ∧ ∀ t ∈ Ioo (-δ) δ, HasDerivAt (fun s => α (f, s)) (schrodingerInteractionField k hk m t (α (f, t))) t := by …Mentions: OAI.DefocusingNLS.FourierL2
- theorem
OAI.DefocusingNLS.exists_continuous_maximalSobolevInteractionFlow_on_ballline 69Source documentation
The local interaction map agrees with the maximal interaction flow on the common interval.
theorem exists_continuous_maximalSobolevInteractionFlow_on_ball (k : ℝ) (hk : 6 < k) (m : ℕ) (R : ℝ) (hR : 0 ≤ R) : ∃ δ : ℝ, 0 < δ ∧ (∀ f : FourierL2, ‖f‖ ≤ R → Ioo (-δ) δ ⊆ maximalSobolevInteractionDomain k hk m f) ∧ ContinuousOn (fun p : FourierL2 × ℝ => maximalSobolevInteractionFlow k hk m p.1 p.2) (closedBall 0 R ×ˢ Ioo (-δ) δ) := by …Mentions: OAI.DefocusingNLS.FourierL2, OAI.DefocusingNLS.maximalSobolevInteractionDomain
- theorem
OAI.DefocusingNLS.exists_continuous_maximalSobolevSchrodingerFlow_on_ballline 98Source documentation
The actual maximal physical flow is jointly continuous in the datum and time on one common interval for every bounded ball of initial data.
theorem exists_continuous_maximalSobolevSchrodingerFlow_on_ball (k : ℝ) (hk : 6 < k) (m : ℕ) (R : ℝ) (hR : 0 ≤ R) : ∃ δ : ℝ, 0 < δ ∧ (∀ f : FourierL2, ‖f‖ ≤ R → Ioo (-δ) δ ⊆ maximalSobolevInteractionDomain k hk m f) ∧ ContinuousOn (fun p : FourierL2 × ℝ => maximalSobolevSchrodingerFlow k hk m p.1 p.2) (closedBall 0 R ×ˢ Ioo (-δ) δ) := by …Mentions: OAI.DefocusingNLS.FourierL2, OAI.DefocusingNLS.maximalSobolevInteractionDomain