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1 topic
Project-declaredLean 4.32.0

Dirichlet Kernel eq

dirichletKernel_eq

Plain-language statement

At every real xx for which eix1e^{ix}\ne1, the finite-sum definition of the NNth Dirichlet kernel agrees with the project’s closed-form expression:

DN(x)=DN(x).D_N(x)=D'_N(x).

harmonic analysisFourier analysismeasure theory

Source project: Carleson formalization

Person-level attribution pending.

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