fpvandoorn/carleson
Source indexedlemma ยท leanprover/lean4:v4.32.0
Tile.correlation_le_of_empty_inter
Carleson.Antichain.TileCorrelation ยท Carleson/Antichain/TileCorrelation.lean:658 to 677
Source documentation
If (6.2.23) does not hold, the LHS is zero and the result follows trivially.
Exact Lean statement
lemma correlation_le_of_empty_inter {p p' : ๐ X} {g : X โ โ}
(hinter : ยฌ(ball (๐ p') (5 * D ^ ๐ฐ p') โฉ ball (๐ p) (5 * D ^ ๐ฐ p)).Nonempty) :
โโซ y, adjointCarleson p' g y * conj (adjointCarleson p g y)โโ โค
C6_1_5 a * (1 + edist_(p') (๐ฌ p') (๐ฌ p)) ^ (-(2 * a ^ 2 + a ^ 3 : โ)โปยน) /
volume (๐ p : Set X) * (โซโป y in E p', โg yโโ) * โซโป y in E p, โg yโโComplete declaration
Lean source
Full Lean sourceLean 4
lemma correlation_le_of_empty_inter {p p' : ๐ X} {g : X โ โ} (hinter : ยฌ(ball (๐ p') (5 * D ^ ๐ฐ p') โฉ ball (๐ p) (5 * D ^ ๐ฐ p)).Nonempty) : โโซ y, adjointCarleson p' g y * conj (adjointCarleson p g y)โโ โค C6_1_5 a * (1 + edist_(p') (๐ฌ p') (๐ฌ p)) ^ (-(2 * a ^ 2 + a ^ 3 : โ)โปยน) / volume (๐ p : Set X) * (โซโป y in E p', โg yโโ) * โซโป y in E p, โg yโโ := by suffices โโซ y, adjointCarleson p' g y * conj (adjointCarleson p g y)โโ = 0 by rw [this]; exact zero_le simp only [inter_nonempty, not_exists, not_and_or] at hinter rw [enorm_eq_zero] apply integral_eq_zero_of_ae (Eq.eventuallyEq _) ext y rcases hinter y with hp'y | hpy ยท have hp'0 : adjointCarleson p' g y = 0 := by by_contra hy exact hp'y (range_support hy) simp [hp'0, zero_mul] ยท have hp'0 : adjointCarleson p g y = 0 := by by_contra hy exact hpy (range_support hy) simp [hp'0, map_zero, mul_zero]