Proposition 2.0.2 #
theorem
discrete_carleson
(X : Type u_1)
{a : β}
{q : β}
{K : X β X β β}
{Οβ Οβ : X β β€}
{F G : Set X}
[MetricSpace X]
[ProofData a q K Οβ Οβ F G]
[TileStructure Q (defaultD a) (defaultΞΊ a) (defaultS X) (cancelPt X)]
:
β (G' : Set X),
MeasurableSet G' β§ 2 * MeasureTheory.volume G' β€ MeasureTheory.volume G β§ β (f : X β β),
Measurable f β
(β (x : X), βf xβ β€ F.indicator 1 x) β
β«β» (x : X) in G \ G', βcarlesonSum Set.univ f xββ β€ β(C2_0_2 a (nnq X)) * MeasureTheory.volume G ^ (1 - qβ»ΒΉ) * MeasureTheory.volume F ^ qβ»ΒΉ