OAI/Analysis/LipschitzHilbert/Fourier/HilbertCutoffDerivative.lean

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4 declarations, 0 contain sorry, 0 declared as axioms

Differentiating the actual annular multiplier gives a dyadic difference of a single compactly supported smooth profile.

  1. theorem OAI.LipschitzHilbert.PacketRepresentation.hilbertSign_deriv_plateau line 13
  2. theorem OAI.LipschitzHilbert.PacketRepresentation.hilbertSign_dilation_deriv line 22
  3. theorem OAI.LipschitzHilbert.PacketRepresentation.hilbertAnnularSymbol_hasDerivAt line 34
  4. theorem OAI.LipschitzHilbert.PacketRepresentation.hilbertAnnularSymbol_deriv line 58