OAI/Geometry/RCD/Sobolev/PoissonEnergySubsolution.lean
1 declarations, 0 contain sorry, 0 declared as axioms
The actual Poisson energy as a weak subsolution
- theorem
OAI.RegularPointCoordinates.LocalPoissonHessianInput.energy_subsolutionline 18Source documentation
The one-dimensional span of a constant-source solution is enough for the finite-span Bochner input.
theorem LocalPoissonHessianInput.energy_subsolution {K : ℝ} {n : ℕ} {hX : NoncollapsedRCD K n X} (hess : LocalPoissonHessianInput hX) (κ : ℝ) (hκ : 0 ≤ κ) (hK : -κ ≤ K) (p : X) (r : ℝ) (hr : 0 < r) (f : SobolevSpace (hausdorff n X) hX.quadratic) (c : ℝ) (L : ℝ≥0) (hf : IsConstantLaplacianOn (hausdorff n X) hX.quadratic (ball p (8*r)) f c) (hgrad : ∀ᵐ x ∂(hausdorff n X).restrict (ball p (8*r)), localGamma (hausdorff n X) hX.quadratic f f x ≤ (L:ℝ)^2) : ∃ (e : SobolevSpace (hausdorff n X) hX.quadratic) (B : ℝ), 0 ≤ B ∧ SobolevSpace.toLp (hausdorff n X) hX.quadratic e =ᵐ[(hausdorff n X).restrict (ball p (2*r))] localGamma (hausdorff n X) hX.quadratic f f ∧ (∀ᵐ x ∂hausdorff n X, |SobolevSpace.toLp (hausdorff n X) hX.quadratic e x| ≤ B) ∧ IsWeakSubsolutionOn (hausdorff n X) hX.quadratic (ball p (2*r)) e (2*κ) := by …Mentions: OAI.RegularPointCoordinates.NoncollapsedRCD, OAI.RegularPointCoordinates.LocalPoissonHessianInput, OAI.RegularPointCoordinates.SobolevSpace, OAI.RegularPointCoordinates.hausdorff, OAI.RegularPointCoordinates.IsConstantLaplacianOn, OAI.RegularPointCoordinates.localGamma, OAI.RegularPointCoordinates.SobolevSpace.toLp, OAI.RegularPointCoordinates.IsWeakSubsolutionOn