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Project-declaredLean 4.32.0

W Inner one dddconv

wInner_one_dddconv

Plain-language statement

An adjointness identity for difference convolution. The inner product of ff with ghg\mathbin{\circleddash}h equals the inner product of g\overline g with fh\overline f*\overline h.

additive combinatoricsarithmetic progressionsFourier analysis

Source project: Arithmetic Progressions Almost Periodicity

Person-level attribution pending.

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