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1 topic
Project-declaredLean 4.32.0

Measure Theory ring Haar Char complex

MeasureTheory.ringHaarChar_complex

Plain-language statement

The distributive Haar character of the action of ā„‚Ė£ on ā„‚ is the usual norm squared. This means that volume (z • s) = ‖z‖ ^ 2 * volume s for all z : ā„‚ and s : Set ā„‚. See Complex.volume_complex_smul.

number theoryarithmetic geometryFermat's Last Theorem

Source project: Fermat's Last Theorem

Person-level attribution pending.

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