OAI/NumberTheory/TwoPoint/Circuits/CircuitFourierTruncation.lean

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5 declarations, 0 contain sorry, 0 declared as axioms

The canonical low-degree approximation and its exact Fourier-tail error.

  1. def OAI.TwoPointCorrelations.walshTruncation line 12
  2. lemma OAI.TwoPointCorrelations.walshTruncation_degree line 17
  3. lemma OAI.TwoPointCorrelations.walshTruncation_coefficient line 20
  4. lemma OAI.TwoPointCorrelations.walshCoefficient_sub line 30
  5. theorem OAI.TwoPointCorrelations.walshTruncation_error line 37