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Structures · Analysis

MeasureTheory.AddQuotientMeasureEqMeasurePreimage

A measure μ on the AddQuotient of α mod G satisfies AddQuotientMeasureEqMeasurePreimage if: for any fundamental domain t, and any measurable subset U of the quotient, μ U = volume ((π ⁻¹' U) ∩ t).

Defined in
Mathlib.MeasureTheory.Group.FundamentalDomain
Shape
2 explicit arguments · adds addProjection_respects_measure'

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