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Theorems · Theorem · measure theory

MeasureTheory.Measure.isMulInvariant_eq_smul_of_compactSpace

∀ {G : Type u_1} [inst : TopologicalSpace G] [inst_1 : Group G] [inst_2 : IsTopologicalGroup G]
  [inst_3 : MeasurableSpace G] [inst_4 : BorelSpace G] [CompactSpace G] (μ' μ : MeasureTheory.Measure G)
  [inst_6 : μ.IsHaarMeasure] [inst_7 : μ'.IsMulLeftInvariant] [inst_8 : MeasureTheory.IsFiniteMeasureOnCompacts μ'],
  μ' = μ'.haarScalarFactor μ • μ

Uniqueness of Haar measures: Two Haar measures on a compact group coincide up to a multiplicative factor.

Defined in
Mathlib.MeasureTheory.Measure.Haar.Unique
Cited by
1 results in Mathlib
Foundations
Depth 277 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
TopologicalSpaceGroupIsTopologicalGroupMeasurableSpaceBorelSpaceCompactSpaceMeasureTheory.Measure.IsHaarMeasureMeasureTheory.Measure.IsMulLeftInvariantMeasureTheory.IsFiniteMeasureOnCompacts

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