OAI/Geometry/RCD/Heat/UniformHeatMassTail.lean
4 declarations, 0 contain sorry, 0 declared as axioms
Uniform heat mass tails on spaces with Bishop--Gromov comparison
- def
OAI.RegularPointCoordinates.gaussianMassEnvelopeline 15 - theorem
OAI.RegularPointCoordinates.gaussianMassEnvelope_nonnegline 19 - theorem
OAI.RegularPointCoordinates.summable_gaussianMassEnvelopeline 25 - theorem
OAI.RegularPointCoordinates.exists_uniform_heat_mass_tailline 35Source documentation
The tail bound is uniform in the pole and in all reference radii at most one. No global Euclidean volume hypothesis is used.
theorem exists_uniform_heat_mass_tail (m : ℕ) {a : ℝ} (ha : 0 ≤ a) (hBG : BallVolumeComparison μ (comparisonModelVolume m a)) (hfinite : ∀ x r, μ (ball x r) ≠ ∞) (hpos : ∀ x r, 0 < r → 0 < μ.real (ball x r)) (hg : HasCoordinateHeatBounds μ ker) : ∃ C : ℝ, 0 < C ∧ ∀ p r, 0 < r → r ≤ 1 → ∀ N : ℕ, (∫ y in (ball p (2 ^ N * r))ᶜ, ker (r ^ 2) p y ∂μ) ≤ C * ∑' j, gaussianMassEnvelope m a (j + (N + 1)) := by …Mentions: OAI.RegularPointCoordinates.BallVolumeComparison, OAI.RegularPointCoordinates.comparisonModelVolume, OAI.RegularPointCoordinates.HasCoordinateHeatBounds, OAI.RegularPointCoordinates.gaussianMassEnvelope