OAI/Geometry/RCD/Harmonic/HarmonicLevelStep.lean
1 declarations, 0 contain sorry, 0 declared as axioms
One quantitative step of the harmonic level-set iteration
- theorem
OAI.RegularPointCoordinates.NoncollapsedRCD.harmonic_level_stepline 19Source documentation
The same constants work for every nested pair of interior balls and every pair of nonnegative levels.
theorem NoncollapsedRCD.harmonic_level_step {K : ℝ} {n : ℕ} (hX : NoncollapsedRCD K n X) (hn : 2 ≤ n) : ∃ p C : ℝ, 2 < p ∧ 0 < C ∧ ∀ (x : X) (R : ℝ), 0 < R → -1 ≤ K*R^2 → ∀ u : SobolevSpace (hausdorff n X) hX.quadratic, IsSobolevHarmonicOn (hausdorff n X) hX.quadratic (ball x R) u → ∀ r s k h : ℝ, 0 ≤ r → r < s → s < R → 0 ≤ k → k < h → let U := SobolevSpace.toLp (hausdorff n X) hX.quadratic u …Mentions: OAI.RegularPointCoordinates.NoncollapsedRCD, OAI.RegularPointCoordinates.SobolevSpace, OAI.RegularPointCoordinates.hausdorff, OAI.RegularPointCoordinates.IsSobolevHarmonicOn, OAI.RegularPointCoordinates.SobolevSpace.toLp