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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 ^ ๐”ฐ p') โˆฉ ball (๐”  p) (5 * D ^ ๐”ฐ p)).Nonempty) :
    โ€–โˆซ y, adjointCarleson p' g y * conj (adjointCarleson p g y)โ€–โ‚‘ โ‰ค
    C6_1_5 a * (1 + edist_(p') (๐’ฌ p') (๐’ฌ p)) ^ (-(2 * a ^ 2 + a ^ 3 : โ„)โปยน) /
    volume (๐“˜ p : Set X) * (โˆซโป y in E p', โ€–g yโ€–โ‚‘) * โˆซโป y in E p, โ€–g yโ€–โ‚‘

Complete declaration

Lean source

Canonical 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 ^ ๐”ฐ p') โˆฉ ball (๐”  p) (5 * D ^ ๐”ฐ p)).Nonempty) :    โ€–โˆซ y, adjointCarleson p' g y * conj (adjointCarleson p g y)โ€–โ‚‘ โ‰ค    C6_1_5 a * (1 + edist_(p') (๐’ฌ p') (๐’ฌ p)) ^ (-(2 * a ^ 2 + a ^ 3 : โ„)โปยน) /    volume (๐“˜ p : Set X) * (โˆซโป y in E p', โ€–g yโ€–โ‚‘) * โˆซโป y in E p, โ€–g yโ€–โ‚‘ := by  suffices โ€–โˆซ y, adjointCarleson p' g y * conj (adjointCarleson p g y)โ€–โ‚‘ = 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]