Mathlib Map

Theorems · Theorem · approximation theory

Asymptotics.isLittleO_iff

∀ {α : Type u_1} {E : Type u_3} {F : Type u_4} [inst : Norm E] [inst_1 : Norm F] {f : α → E} {g : α → F} {l : Filter α},
  f =o[l] g ↔ ∀ ⦃c : ℝ⦄, 0 < c → ∀ᶠ (x : α) in l, ‖f x‖ ≤ c * ‖g x‖

Definition of IsLittleO in terms of filters.

Defined in
Mathlib.Analysis.Asymptotics.Defs
Cited by
23 results in Mathlib
Foundations
Depth 104 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
NormNorm

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Asymptotics.IsLittleO.def · cited by 9IsLittleO.defAsymptotics.IsLittleO.def' · cited by 6IsLittleO.def'AkraBazziRecurrence.eventually_bi_mul_le_r · cited by 4AkraBazziRecurrence.event…Asymptotics.IsLittleO.bound · cited by 4IsLittleO.boundHasFDerivAt.le_of_lip' · cited by 4HasFDerivAt.le_of_lip'HasFPowerSeriesWithinAt.hasFDerivWithinAt · cited by 3HasFPowerSeriesWithinAt.h…AkraBazziRecurrence.eventually_one_add_smoothingFn_pos · cited by 3AkraBazziRecurrence.event…Filter.Tendsto.integral_sub_linear_isLittleO_ae · cited by 3Tendsto.integral_sub_line…Asymptotics.isLittleO_iff_nat_mul_le_aux · cited by 3Asymptotics.isLittleO_iff…Asymptotics.IsLittleO.of_bound · cited by 2IsLittleO.of_boundhasFDerivWithinAt_closure_of_tendsto_fderiv · cited by 2hasFDerivWithinAt_closure…hasStrictFDerivAt_of_hasFDerivAt_of_continuousAt · cited by 2hasStrictFDerivAt_of_hasF…Convex.isLittleO_pow_succ · cited by 1Convex.isLittleO_pow_succConvex.isLittleO_pow_succ_real · cited by 1Convex.isLittleO_pow_succ…Function.locallyFinsuppWithin.zero_iff_logCounting_bounded · cited by 1locallyFinsuppWithin.zero…Real · cited by 25697RealFilter · cited by 8121FilterNorm.norm · cited by 5413Norm.normFilter.Eventually · cited by 3134Filter.EventuallyNorm · cited by 512NormAsymptotics.IsLittleO · cited by 375Asymptotics.IsLittleOAsymptotics.IsBigOWith_def · cited by 46Asymptotics.IsBigOWith_defAsymptotics.IsLittleO_def · cited by 19Asymptotics.IsLittleO_defAsymptotics.isLittleO_iffCITED BYCITES

Cites8

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by23

Results whose statement or proof uses this declaration.