Documentation

LeanAPAP.Prereqs.LpNorm.Discrete.Basic

Lp norms #

Indicator #

theorem MeasureTheory.dLpNorm_rpow_indicate {ι : Type u_1} {R : Type u_5} [Finite ι] { : MeasurableSpace ι} [DiscreteMeasurableSpace ι] [RCLike R] [DecidableEq ι] {p : NNReal} (hp : p 0) (s : Finset ι) :
𝟭 s‖_[p] ^ p = s.card
theorem MeasureTheory.dLpNorm_indicate {ι : Type u_1} {R : Type u_5} [Finite ι] { : MeasurableSpace ι} [DiscreteMeasurableSpace ι] [RCLike R] [DecidableEq ι] {p : NNReal} (hp : p 0) (s : Finset ι) :
𝟭 s‖_[p] = s.card ^ (↑p)⁻¹
theorem MeasureTheory.dLpNorm_pow_indicate {ι : Type u_1} {R : Type u_5} [Finite ι] { : MeasurableSpace ι} [DiscreteMeasurableSpace ι] [RCLike R] [DecidableEq ι] {p : } (hp : p 0) (s : Finset ι) :
𝟭 s‖_[p] ^ p = s.card
theorem MeasureTheory.dL2Norm_sq_indicate {ι : Type u_1} {R : Type u_5} [Finite ι] { : MeasurableSpace ι} [DiscreteMeasurableSpace ι] [RCLike R] [DecidableEq ι] (s : Finset ι) :
𝟭 s‖_[2] ^ 2 = s.card
@[simp]
theorem MeasureTheory.dL2Norm_indicate {ι : Type u_1} {R : Type u_5} [Finite ι] { : MeasurableSpace ι} [DiscreteMeasurableSpace ι] [RCLike R] [DecidableEq ι] (s : Finset ι) :
@[simp]
theorem MeasureTheory.dL1Norm_indicate {ι : Type u_1} {R : Type u_5} [Finite ι] { : MeasurableSpace ι} [DiscreteMeasurableSpace ι] [RCLike R] [DecidableEq ι] (s : Finset ι) :
theorem MeasureTheory.dLpNorm_mu {ι : Type u_1} {R : Type u_5} [Finite ι] { : MeasurableSpace ι} [DiscreteMeasurableSpace ι] [RCLike R] [DecidableEq ι] {s : Finset ι} {p : NNReal} (hp : 1 p) (hs : s.Nonempty) :
mu s‖_[p] = s.card ^ ((↑p)⁻¹ - 1)
theorem MeasureTheory.dLpNorm_mu_le {ι : Type u_1} {R : Type u_5} [Finite ι] { : MeasurableSpace ι} [DiscreteMeasurableSpace ι] [RCLike R] [DecidableEq ι] {s : Finset ι} {p : NNReal} (hp : 1 p) :
mu s‖_[p] s.card ^ (p⁻¹ - 1)
@[simp]
theorem MeasureTheory.dL1Norm_mu {ι : Type u_1} {R : Type u_5} [Finite ι] { : MeasurableSpace ι} [DiscreteMeasurableSpace ι] [RCLike R] [DecidableEq ι] {s : Finset ι} (hs : s.Nonempty) :
theorem MeasureTheory.dL1Norm_mu_le_one {ι : Type u_1} {R : Type u_5} [Finite ι] { : MeasurableSpace ι} [DiscreteMeasurableSpace ι] [RCLike R] [DecidableEq ι] {s : Finset ι} :
@[simp]
theorem MeasureTheory.dL2Norm_mu {ι : Type u_1} {R : Type u_5} [Finite ι] { : MeasurableSpace ι} [DiscreteMeasurableSpace ι] [RCLike R] [DecidableEq ι] {s : Finset ι} (hs : s.Nonempty) :

Translation #

@[simp]
theorem MeasureTheory.dLpNorm_translate {G : Type u_2} {E : Type u_4} {mG : MeasurableSpace G} [DiscreteMeasurableSpace G] [AddCommGroup G] [Finite G] {p : ENNReal} [NormedAddCommGroup E] (a : G) (f : GE) :
@[simp]
theorem MeasureTheory.dLpNorm_conjneg {G : Type u_2} {E : Type u_4} {mG : MeasurableSpace G} [DiscreteMeasurableSpace G] [AddCommGroup G] [Finite G] {p : ENNReal} [RCLike E] (f : GE) :
theorem MeasureTheory.dLpNorm_translate_sum_sub_le {G : Type u_2} {E : Type u_4} {mG : MeasurableSpace G} [DiscreteMeasurableSpace G] [AddCommGroup G] [Finite G] {p : ENNReal} [NormedAddCommGroup E] (hp : 1 p) {ι : Type u_6} (s : Finset ι) (a : ιG) (f : GE) :
translate (∑ is, a i) f - f‖_[p] is, translate (a i) f - f‖_[p]