OAI/Analysis/LipschitzHilbert/Fourier/SincMask.lean

GitHub source file

6 declarations, 0 contain sorry, 0 declared as axioms

The actual even sinc-product mask from (src-8), including its quadratic approximation to one and the stated logarithmic-scale error.

  1. def OAI.LipschitzHilbert.sincProductMask line 14
  2. theorem OAI.LipschitzHilbert.sincProductMask_nonneg line 16
  3. theorem OAI.LipschitzHilbert.sincProductMask_le_one line 20
  4. theorem OAI.LipschitzHilbert.abs_one_sub_sinc_le line 28
  5. theorem OAI.LipschitzHilbert.abs_one_sub_sinc_product_le line 38
  6. theorem OAI.LipschitzHilbert.abs_one_sub_sincProductMask line 48